Bump up version number to 1.39.2, LT revision to 32:0:18

Fix request stall if backend connection is reused and buffer is full.

.clang-format

@@ -1,57 +1,120 @@
 ---
 Language:        Cpp
-# BasedOnStyle:  LLVM
 AccessModifierOffset: -2
-ConstructorInitializerIndentWidth: 4
-AlignEscapedNewlinesLeft: false
+AlignAfterOpenBracket: Align
+AlignConsecutiveAssignments: false
+AlignConsecutiveDeclarations: false
+AlignEscapedNewlines: Right
+AlignOperands:   true
 AlignTrailingComments: true
 AllowAllParametersOfDeclarationOnNextLine: true
 AllowShortBlocksOnASingleLine: false
+AllowShortCaseLabelsOnASingleLine: false
+AllowShortFunctionsOnASingleLine: All
 AllowShortIfStatementsOnASingleLine: false
 AllowShortLoopsOnASingleLine: false
-AllowShortFunctionsOnASingleLine: All
-AlwaysBreakTemplateDeclarations: false
+AlwaysBreakAfterDefinitionReturnType: None
+AlwaysBreakAfterReturnType: None
 AlwaysBreakBeforeMultilineStrings: false
-BreakBeforeBinaryOperators: false
+AlwaysBreakTemplateDeclarations: MultiLine
+BinPackArguments: true
+BinPackParameters: true
+BraceWrapping:   
+  AfterClass:      false
+  AfterControlStatement: false
+  AfterEnum:       false
+  AfterFunction:   false
+  AfterNamespace:  false
+  AfterObjCDeclaration: false
+  AfterStruct:     false
+  AfterUnion:      false
+  AfterExternBlock: false
+  BeforeCatch:     false
+  BeforeElse:      false
+  IndentBraces:    false
+  SplitEmptyFunction: true
+  SplitEmptyRecord: true
+  SplitEmptyNamespace: true
+BreakBeforeBinaryOperators: None
+BreakBeforeBraces: Attach
+BreakBeforeInheritanceComma: false
+BreakInheritanceList: BeforeColon
 BreakBeforeTernaryOperators: true
 BreakConstructorInitializersBeforeComma: false
-BinPackParameters: true
+BreakConstructorInitializers: BeforeColon
+BreakAfterJavaFieldAnnotations: false
+BreakStringLiterals: true
 ColumnLimit:     80
-ConstructorInitializerAllOnOneLineOrOnePerLine: false
+CommentPragmas:  '^ IWYU pragma:'
+CompactNamespaces: false
+ConstructorInitializerAllOnOneLineOrOnePerLine: true
+ConstructorInitializerIndentWidth: 4
+ContinuationIndentWidth: 4
+Cpp11BracedListStyle: true
 DerivePointerAlignment: false
+DisableFormat:   false
 ExperimentalAutoDetectBinPacking: false
+FixNamespaceComments: true
+ForEachMacros:   
+  - foreach
+  - Q_FOREACH
+  - BOOST_FOREACH
+IncludeBlocks:   Preserve
+IncludeCategories: 
+  - Regex:           '^"(llvm|llvm-c|clang|clang-c)/'
+    Priority:        2
+  - Regex:           '^(<|"(gtest|isl|json)/)'
+    Priority:        3
+  - Regex:           '.*'
+    Priority:        1
+IncludeIsMainRegex: '$'
 IndentCaseLabels: false
+IndentPPDirectives: AfterHash
+IndentWidth:     2
 IndentWrappedFunctionNames: false
-IndentFunctionDeclarationAfterType: false
-MaxEmptyLinesToKeep: 1
+JavaScriptQuotes: Leave
+JavaScriptWrapImports: true
 KeepEmptyLinesAtTheStartOfBlocks: true
+MacroBlockBegin: ''
+MacroBlockEnd:   ''
+MaxEmptyLinesToKeep: 1
 NamespaceIndentation: None
+ObjCBinPackProtocolList: Auto
+ObjCBlockIndentWidth: 2
 ObjCSpaceAfterProperty: false
 ObjCSpaceBeforeProtocolList: true
+PenaltyBreakAssignment: 2
 PenaltyBreakBeforeFirstCallParameter: 19
 PenaltyBreakComment: 300
-PenaltyBreakString: 1000
 PenaltyBreakFirstLessLess: 120
+PenaltyBreakString: 1000
+PenaltyBreakTemplateDeclaration: 10
 PenaltyExcessCharacter: 1000000
 PenaltyReturnTypeOnItsOwnLine: 60
 PointerAlignment: Right
+ReflowComments:  true
+SortIncludes:    false
+SortUsingDeclarations: true
+SpaceAfterCStyleCast: false
+SpaceAfterTemplateKeyword: true
+SpaceBeforeAssignmentOperators: true
+SpaceBeforeCpp11BracedList: false
+SpaceBeforeCtorInitializerColon: true
+SpaceBeforeInheritanceColon: true
+SpaceBeforeParens: ControlStatements
+SpaceBeforeRangeBasedForLoopColon: true
+SpaceInEmptyParentheses: false
 SpacesBeforeTrailingComments: 1
-Cpp11BracedListStyle: true
+SpacesInAngles:  false
+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
 Standard:        Cpp11
-IndentWidth:     2
+StatementMacros: 
+  - Q_UNUSED
+  - QT_REQUIRE_VERSION
 TabWidth:        8
 UseTab:          Never
-BreakBeforeBraces: Attach
-SpacesInParentheses: false
-SpacesInAngles:  false
-SpaceInEmptyParentheses: false
-SpacesInCStyleCastParentheses: false
-SpacesInContainerLiterals: true
-SpaceBeforeAssignmentOperators: true
-ContinuationIndentWidth: 4
-CommentPragmas:  '^ IWYU pragma:'
-ForEachMacros:   [ foreach, Q_FOREACH, BOOST_FOREACH ]
-SpaceBeforeParens: ControlStatements
-DisableFormat:   false
 ...
 

.gitignore

@@ -29,6 +29,22 @@ missing
 stamp-h1
 test-driver
 
+# cmake
+CMakeCache.txt
+CMakeFiles/
+cmake_install.cmake
+install_manifest.txt
+CTestTestfile.cmake
+build.ninja
+rules.ninja
+.ninja_deps
+.ninja_log
+lib*.so
+lib*.so.*
+lib*.a
+# generated by "make test" with cmake
+Testing/
+
 # test logs generated by `make check`
 *.log
 *.trs

.gitmodules

@@ -1,3 +1,7 @@
 [submodule "third-party/mruby"]
 	path = third-party/mruby
 	url = https://github.com/mruby/mruby
+[submodule "third-party/neverbleed"]
+	path = third-party/neverbleed
+	url = https://github.com/tatsuhiro-t/neverbleed.git
+	branch = openssl111fix

.travis.yml

@@ -1,15 +1,27 @@
-language: cpp
+dist: xenial
+os:
+  - linux
 compiler:
   - clang
   - gcc
-sudo: false
+env:
+  matrix:
+    - CI_BUILD=cmake
+    - CI_BUILD=autotools
+matrix:
+  include:
+    - os: osx
+      compiler: clang
+      osx_image: xcode10.2
+      env: CI_BUILD=autotools
+language: cpp
+sudo: required
 addons:
   apt:
     sources:
     - ubuntu-toolchain-r-test
     packages:
-    - g++-4.9
-    - libstdc++-4.9-dev
+    - g++-8
     - autoconf
     - automake
     - autotools-dev
@@ -23,16 +35,55 @@ addons:
     - libevent-dev
     - libjansson-dev
     - libjemalloc-dev
+    - libc-ares-dev
+    - cmake
+    - cmake-data
+  homebrew:
+    packages:
+      - libev
+      - libevent
+      - c-ares
+      - cunit
+      - libressl
 before_install:
   - $CC --version
-  - if [ "$CXX" = "g++" ]; then export CXX="g++-4.9" CC="gcc-4.9"; fi
+  - if [ "$CXX" = "g++" ]; then export CXX="g++-8" CC="gcc-8"; fi
   - $CC --version
+  - go version
+  - cmake --version
 before_script:
-  - autoreconf -i
-  - automake
-  - autoconf
+  - |
+    if [ "$TRAVIS_OS_NAME" = "linux" ]; then
+      CPPFLAGS="-fsanitize=address" LDFLAGS="-fsanitize=address -fuse-ld=gold"
+    fi
+  - |
+    if [ "$TRAVIS_OS_NAME" = "osx" ]; then
+      PKG_CONFIG_PATH="/usr/local/opt/libressl/lib/pkgconfig:/usr/local/opt/libxml2/lib/pkgconfig"
+    fi
+  # Now build nghttp2
   - git submodule update --init
-  - ./configure --enable-werror --with-mruby
+  - |
+    if [ "$CI_BUILD" = "autotools" ]; then
+      autoreconf -i && ./configure --with-mruby PKG_CONFIG_PATH=$PKG_CONFIG_PATH
+    fi
+  - |
+    if [ "$CI_BUILD" = "cmake" ]; then
+      cmake -DENABLE_WERROR=1 -DWITH_MRUBY=1 -DWITH_NEVERBLEED=1
+    fi
 script:
-  - make
-  - make check
+  - |
+    if [ "$CI_BUILD" = "autotools" ]; then
+      make distcheck DISTCHECK_CONFIGURE_FLAGS="--with-mruby --with-neverbleed --enable-werror CPPFLAGS=$CPPFLAGS LDFLAGS=\"$LDFLAGS\" PKG_CONFIG_PATH=$PKG_CONFIG_PATH"
+    fi
+  - |
+    if [ "$CI_BUILD" = "cmake" ]; then
+      make && make check
+    fi
+  - |
+    if [ "$CI_BUILD" = "cmake" ]; then
+      # Integration tests for nghttpx; autotools build erases build
+      # for packaging test.
+      cd integration-tests
+      export GO111MODULE=on
+      make it
+    fi

AUTHORS

@@ -1 +1,124 @@
-Tatsuhiro Tsujikawa <t-tujikawa at users dot sourceforge dot net>
+nghttp2 project was started as a fork of spdylay project [1].  Both
+projects were started by Tatsuhiro Tsujikawa, who is still the main
+author of these projects.  Meanwhile, we have many contributions, and
+we are not here without them.  We sincerely thank you to all who made
+a contribution.  Here is the all individuals/organizations who
+contributed to nghttp2 and spdylay project at which we forked.  These
+names are retrieved from git commit log.  If you have made a
+contribution, but you are missing in the list, please let us know via
+github issues [2].
+
+[1] https://github.com/tatsuhiro-t/spdylay
+[2] https://github.com/nghttp2/nghttp2/issues
+
+--------
+
+187j3x1
+Adam Gołębiowski
+Alek Storm
+Alex Nalivko
+Alexandros Konstantinakis-Karmis
+Alexis La Goutte
+Amir Pakdel
+Anders Bakken
+Andreas Pohl
+Andy Davies
+Angus Gratton
+Anna Henningsen
+Ant Bryan
+Benedikt Christoph Wolters
+Benjamin Peterson
+Bernard Spil
+Brendan Heinonen
+Brian Card
+Brian Suh
+Daniel Evers
+Daniel Stenberg
+Dave Reisner
+David Beitey
+David Weekly
+Dmitriy Vetutnev
+Don
+Dylan Plecki
+Etienne Cimon
+Fabian Möller
+Fabian Wiesel
+Gabi Davar
+Gitai
+Google Inc.
+Jacob Champion
+Jan Kundrát
+Jan-E
+Janusz Dziemidowicz
+Jay Satiro
+Jeff 'Raid' Baitis
+Jianqing Wang
+Jim Morrison
+Josh Braegger
+José F. Calcerrada
+Kamil Dudka
+Kazuho Oku
+Kenny (kang-yen) Peng
+Kenny Peng
+Kit Chan
+Kyle Schomp
+LazyHamster
+Lucas Pardue
+MATSUMOTO Ryosuke
+Marc Bachmann
+Matt Rudary
+Matt Way
+Mike Conlen
+Mike Frysinger
+Mike Lothian
+Nicholas Hurley
+Nora Shoemaker
+Pedro Santos
+Peeyush Aggarwal
+Peter Wu
+Piotr Sikora
+Raul Gutierrez Segales
+Remo E
+Reza Tavakoli
+Rick Lei
+Ross Smith II
+Scott Mitchell
+Sebastiaan Deckers
+Simon Frankenberger
+Simone Basso
+Soham Sinha
+Stefan Eissing
+Stephen Ludin
+Sunpoet Po-Chuan Hsieh
+Svante Signell
+Syohei YOSHIDA
+Tapanito
+Tatsuhiko Kubo
+Tatsuhiro Tsujikawa
+Tobias Geerinckx-Rice
+Tom Harwood
+Tomasz Buchert
+Tomasz Torcz
+Vernon Tang
+Viacheslav Biriukov
+Viktor Szakats
+Viktor Szépe
+Wenfeng Liu
+Xiaoguang Sun
+Zhuoyun Wei
+acesso
+ayanamist
+bxshi
+clemahieu
+dalf
+dawg
+es
+fangdingjun
+jwchoi
+kumagi
+lstefani
+makovich
+mod-h2-dev
+moparisthebest
+snnn
+yuuki-kodama

CMakeLists.txt

@@ -0,0 +1,517 @@
+# nghttp2 - HTTP/2 C Library
+#
+# Copyright (c) 2012, 2013, 2014, 2015 Tatsuhiro Tsujikawa
+# Copyright (c) 2016 Peter Wu <peter@lekensteyn.nl>
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+cmake_minimum_required(VERSION 3.0)
+# XXX using 1.8.90 instead of 1.9.0-DEV
+project(nghttp2 VERSION 1.39.2)
+
+# See versioning rule:
+#  http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
+set(LT_CURRENT  32)
+set(LT_REVISION 0)
+set(LT_AGE      18)
+
+set(CMAKE_MODULE_PATH "${CMAKE_CURRENT_SOURCE_DIR}/cmake" ${CMAKE_MODULE_PATH})
+include(Version)
+
+math(EXPR LT_SOVERSION "${LT_CURRENT} - ${LT_AGE}")
+set(LT_VERSION "${LT_SOVERSION}.${LT_AGE}.${LT_REVISION}")
+set(PACKAGE_VERSION     "${PROJECT_VERSION}")
+HexVersion(PACKAGE_VERSION_NUM ${PROJECT_VERSION_MAJOR} ${PROJECT_VERSION_MINOR} ${PROJECT_VERSION_PATCH})
+
+if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+  set(CMAKE_BUILD_TYPE RelWithDebInfo CACHE STRING "Choose the build type" FORCE)
+
+  # Include "None" as option to disable any additional (optimization) flags,
+  # relying on just CMAKE_C_FLAGS and CMAKE_CXX_FLAGS (which are empty by
+  # default). These strings are presented in cmake-gui.
+  set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+    "None" "Debug" "Release" "MinSizeRel" "RelWithDebInfo")
+endif()
+
+include(GNUInstallDirs)
+
+# For Python bindings and documentation
+# (Must be called before PythonLibs for matching versions.)
+find_package(PythonInterp)
+
+# Auto-detection of features that can be toggled
+find_package(OpenSSL 1.0.1)
+find_package(Libev 4.11)
+find_package(Libcares 1.7.5)
+find_package(ZLIB 1.2.3)
+if(OPENSSL_FOUND AND LIBEV_FOUND AND ZLIB_FOUND)
+  set(ENABLE_APP_DEFAULT ON)
+else()
+  set(ENABLE_APP_DEFAULT OFF)
+endif()
+find_package(Jansson  2.5)
+set(ENABLE_HPACK_TOOLS_DEFAULT ${JANSSON_FOUND})
+# 2.0.8 is required because we use evconnlistener_set_error_cb()
+find_package(Libevent 2.0.8 COMPONENTS libevent openssl)
+set(ENABLE_EXAMPLES_DEFAULT ${LIBEVENT_OPENSSL_FOUND})
+find_package(Cython)
+find_package(PythonLibs)
+if(CYTHON_FOUND AND PYTHONLIBS_FOUND)
+  set(ENABLE_PYTHON_BINDINGS_DEFAULT ON)
+else()
+  set(ENABLE_PYTHON_BINDINGS_DEFAULT OFF)
+endif()
+
+find_package(LibXml2 2.6.26)
+set(WITH_LIBXML2_DEFAULT    ${LIBXML2_FOUND})
+find_package(Jemalloc)
+set(WITH_JEMALLOC_DEFAULT   ${JEMALLOC_FOUND})
+find_package(Spdylay 1.3.2)
+set(WITH_SPDYLAY_DEFAULT    ${SPDYLAY_FOUND})
+
+include(CMakeOptions.txt)
+
+if(ENABLE_LIB_ONLY AND (ENABLE_APP OR ENABLE_HPACK_TOOLS OR ENABLE_EXAMPLES OR
+  ENABLE_PYTHON_BINDINGS))
+  # Remember when disabled options are disabled for later diagnostics.
+  set(ENABLE_LIB_ONLY_DISABLED_OTHERS 1)
+else()
+  set(ENABLE_LIB_ONLY_DISABLED_OTHERS 0)
+endif()
+if(ENABLE_LIB_ONLY)
+  set(ENABLE_APP            OFF)
+  set(ENABLE_HPACK_TOOLS    OFF)
+  set(ENABLE_EXAMPLES       OFF)
+  set(ENABLE_PYTHON_BINDINGS OFF)
+endif()
+
+# Do not disable assertions based on CMAKE_BUILD_TYPE.
+foreach(_build_type "Release" "MinSizeRel" "RelWithDebInfo")
+  foreach(_lang C CXX)
+    string(TOUPPER "CMAKE_${_lang}_FLAGS_${_build_type}" _var)
+    string(REGEX REPLACE "(^| )[/-]D *NDEBUG($| )" " " ${_var} "${${_var}}")
+  endforeach()
+endforeach()
+
+if(CMAKE_C_COMPILER_ID MATCHES "GNU" OR CMAKE_C_COMPILER_ID MATCHES "Clang")
+  set(HINT_NORETURN       "__attribute__((noreturn))")
+else()
+  set(HINT_NORETURN)
+endif()
+
+include(ExtractValidFlags)
+foreach(_cxx1x_flag -std=c++14)
+  extract_valid_cxx_flags(_cxx1x_flag_supported ${_cxx1x_flag})
+  if(_cxx1x_flag_supported)
+    set(CXX1XCXXFLAGS ${_cxx1x_flag})
+    break()
+  endif()
+endforeach()
+
+include(CMakePushCheckState)
+include(CheckCXXSourceCompiles)
+cmake_push_check_state()
+set(CMAKE_REQUIRED_DEFINITIONS "${CXX1XCXXFLAGS}")
+# Check that std::future is available.
+check_cxx_source_compiles("
+#include <vector>
+#include <future>
+int main() { std::vector<std::future<int>> v; }" HAVE_STD_FUTURE)
+# Check that std::map::emplace is available for g++-4.7.
+check_cxx_source_compiles("
+#include <map>
+int main() { std::map<int, int>().emplace(1, 2); }" HAVE_STD_MAP_EMPLACE)
+cmake_pop_check_state()
+
+
+# Checks for libraries.
+# Additional libraries required for programs under src directory.
+set(APP_LIBRARIES)
+
+if(ENABLE_PYTHON_BINDINGS)
+  if(NOT (CYTHON_FOUND AND PYTHONLIBS_FOUND))
+    message(FATAL_ERROR "python bindings were requested "
+      "(ENABLE_PYTHON_BINDINGS=1) but dependencies are not met.")
+  endif()
+  if(NOT PYTHON_VERSION_STRING STREQUAL PYTHONLIBS_VERSION_STRING)
+    message(FATAL_ERROR
+      "Python executable and library must have the same version!"
+      " Found Python ${PYTHON_VERSION_STRING} and"
+      " PythonLibs ${PYTHONLIBS_VERSION_STRING}"
+    )
+  endif()
+endif()
+
+set(CMAKE_THREAD_PREFER_PTHREAD 1)
+find_package(Threads)
+if(CMAKE_USE_PTHREADS_INIT)
+  list(APPEND APP_LIBRARIES ${CMAKE_THREAD_LIBS_INIT})
+endif()
+# XXX android and C++, is this still needed in cmake?
+# case "$host" in
+#   *android*)
+#     android_build=yes
+#     # android does not need -pthread, but needs followng 3 libs for C++
+#     APPLDFLAGS="$APPLDFLAGS -lstdc++ -latomic -lsupc++"
+
+# dl: openssl requires libdl when it is statically linked.
+# XXX shouldn't ${CMAKE_DL_LIBS} be appended to OPENSSL_LIBRARIES instead of
+# APP_LIBRARIES if it is really specific to OpenSSL?
+
+find_package(CUnit 2.1)
+enable_testing()
+set(HAVE_CUNIT      ${CUNIT_FOUND})
+if(HAVE_CUNIT)
+  add_custom_target(check COMMAND ${CMAKE_CTEST_COMMAND})
+endif()
+
+# openssl (for src)
+set(HAVE_OPENSSL    ${OPENSSL_FOUND})
+if(OPENSSL_FOUND)
+  set(OPENSSL_INCLUDE_DIRS  ${OPENSSL_INCLUDE_DIR})
+else()
+  set(OPENSSL_INCLUDE_DIRS  "")
+  set(OPENSSL_LIBRARIES     "")
+endif()
+# libev (for src)
+set(HAVE_LIBEV      ${LIBEV_FOUND})
+set(HAVE_ZLIB       ${ZLIB_FOUND})
+set(HAVE_LIBEVENT_OPENSSL ${LIBEVENT_FOUND})
+if(LIBEVENT_FOUND)
+  # Must both link the core and openssl libraries.
+  set(LIBEVENT_OPENSSL_LIBRARIES ${LIBEVENT_LIBRARIES})
+endif()
+# libc-ares (for src)
+set(HAVE_LIBCARES   ${LIBCARES_FOUND})
+if(LIBCARES_FOUND)
+  set(LIBCARES_INCLUDE_DIRS ${LIBCARES_INCLUDE_DIR})
+else()
+  set(LIBCARES_INCLUDE_DIRS "")
+  set(LIBCARES_LIBRARIES    "")
+endif()
+# jansson (for src/nghttp, src/deflatehd and src/inflatehd)
+set(HAVE_JANSSON    ${JANSSON_FOUND})
+# libxml2 (for src/nghttp)
+set(HAVE_LIBXML2    ${LIBXML2_FOUND})
+if(LIBXML2_FOUND)
+  set(LIBXML2_INCLUDE_DIRS  ${LIBXML2_INCLUDE_DIR})
+else()
+  set(LIBXML2_INCLUDE_DIRS  "")
+  set(LIBXML2_LIBRARIES     "")
+endif()
+# jemalloc
+set(HAVE_JEMALLOC   ${JEMALLOC_FOUND})
+# spdylay (for src/nghttpx and src/h2load)
+set(HAVE_SPDYLAY    ${SPDYLAY_FOUND})
+
+if(ENABLE_ASIO_LIB)
+  find_package(Boost 1.54.0 REQUIRED system thread)
+endif()
+
+# The nghttp, nghttpd and nghttpx under src depend on zlib, OpenSSL and libev
+if(ENABLE_APP AND NOT (ZLIB_FOUND AND OPENSSL_FOUND AND LIBEV_FOUND))
+  message(FATAL_ERROR "Applications were requested (ENABLE_APP=1) but dependencies are not met.")
+endif()
+
+# HPACK tools requires jansson
+if(ENABLE_HPACK_TOOLS AND NOT HAVE_JANSSON)
+  message(FATAL_ERROR "HPACK tools were requested (ENABLE_HPACK_TOOLS=1) but dependencies are not met.")
+endif()
+
+# C++ library libnghttp2_asio
+if(ENABLE_EXAMPLES AND NOT (OPENSSL_FOUND AND LIBEVENT_OPENSSL_FOUND))
+  message(FATAL_ERROR "examples were requested (ENABLE_EXAMPLES=1) but dependencies are not met.")
+endif()
+
+# third-party http-parser only be built when needed
+if(ENABLE_EXAMPLES OR ENABLE_APP OR ENABLE_HPACK_TOOLS OR ENABLE_ASIO_LIB)
+  set(ENABLE_THIRD_PARTY 1)
+  # mruby (for src/nghttpx)
+  set(HAVE_MRUBY      ${WITH_MRUBY})
+  set(HAVE_NEVERBLEED ${WITH_NEVERBLEED})
+else()
+  set(HAVE_MRUBY 0)
+  set(HAVE_NEVERBLEED 0)
+endif()
+
+# Checks for header files.
+include(CheckIncludeFile)
+check_include_file("arpa/inet.h"    HAVE_ARPA_INET_H)
+check_include_file("fcntl.h"        HAVE_FCNTL_H)
+check_include_file("inttypes.h"     HAVE_INTTYPES_H)
+check_include_file("limits.h"       HAVE_LIMITS_H)
+check_include_file("netdb.h"        HAVE_NETDB_H)
+check_include_file("netinet/in.h"   HAVE_NETINET_IN_H)
+check_include_file("pwd.h"          HAVE_PWD_H)
+check_include_file("sys/socket.h"   HAVE_SYS_SOCKET_H)
+check_include_file("sys/time.h"     HAVE_SYS_TIME_H)
+check_include_file("syslog.h"       HAVE_SYSLOG_H)
+check_include_file("time.h"         HAVE_TIME_H)
+check_include_file("unistd.h"       HAVE_UNISTD_H)
+
+include(CheckTypeSize)
+# Checks for typedefs, structures, and compiler characteristics.
+# AC_TYPE_SIZE_T
+check_type_size("ssize_t" SIZEOF_SSIZE_T)
+if(SIZEOF_SSIZE_T STREQUAL "")
+  # ssize_t is a signed type in POSIX storing at least -1.
+  # Set it to "int" to match the behavior of AC_TYPE_SSIZE_T (autotools).
+  set(ssize_t int)
+endif()
+# AC_TYPE_UINT8_T
+# AC_TYPE_UINT16_T
+# AC_TYPE_UINT32_T
+# AC_TYPE_UINT64_T
+# AC_TYPE_INT8_T
+# AC_TYPE_INT16_T
+# AC_TYPE_INT32_T
+# AC_TYPE_INT64_T
+# AC_TYPE_OFF_T
+# AC_TYPE_PID_T
+# AC_TYPE_UID_T
+# XXX To support inline for crappy compilers, see https://cmake.org/Wiki/CMakeTestInline
+# AC_C_INLINE
+# XXX is AC_SYS_LARGEFILE still needed for modern systems?
+# add_definitions(-D_FILE_OFFSET_BITS=64)
+
+include(CheckStructHasMember)
+check_struct_has_member("struct tm" tm_gmtoff time.h HAVE_STRUCT_TM_TM_GMTOFF)
+
+# Check size of pointer to decide we need 8 bytes alignment adjustment.
+check_type_size("int *"   SIZEOF_INT_P)
+check_type_size("time_t"  SIZEOF_TIME_T)
+
+# Checks for library functions.
+include(CheckFunctionExists)
+check_function_exists(_Exit     HAVE__EXIT)
+check_function_exists(accept4   HAVE_ACCEPT4)
+check_function_exists(mkostemp  HAVE_MKOSTEMP)
+
+include(CheckSymbolExists)
+# XXX does this correctly detect initgroups (un)availability on cygwin?
+check_symbol_exists(initgroups grp.h HAVE_DECL_INITGROUPS)
+if(NOT HAVE_DECL_INITGROUPS AND HAVE_UNISTD_H)
+  # FreeBSD declares initgroups() in unistd.h
+  check_symbol_exists(initgroups unistd.h HAVE_DECL_INITGROUPS2)
+  if(HAVE_DECL_INITGROUPS2)
+    set(HAVE_DECL_INITGROUPS 1)
+  endif()
+endif()
+
+set(WARNCFLAGS)
+set(WARNCXXFLAGS)
+if(CMAKE_C_COMPILER_ID MATCHES "MSVC")
+  if(ENABLE_WERROR)
+    set(WARNCFLAGS    /WX)
+    set(WARNCXXFLAGS  /WX)
+  endif()
+else()
+  if(ENABLE_WERROR)
+    extract_valid_c_flags(WARNCFLAGS    -Werror)
+    extract_valid_c_flags(WARNCXXFLAGS  -Werror)
+  endif()
+
+  # For C compiler
+  extract_valid_c_flags(WARNCFLAGS
+    -Wall
+    -Wextra
+    -Wmissing-prototypes
+    -Wstrict-prototypes
+    -Wmissing-declarations
+    -Wpointer-arith
+    -Wdeclaration-after-statement
+    -Wformat-security
+    -Wwrite-strings
+    -Wshadow
+    -Winline
+    -Wnested-externs
+    -Wfloat-equal
+    -Wundef
+    -Wendif-labels
+    -Wempty-body
+    -Wcast-align
+    -Wclobbered
+    -Wvla
+    -Wpragmas
+    -Wunreachable-code
+    -Waddress
+    -Wattributes
+    -Wdiv-by-zero
+    -Wshorten-64-to-32
+
+    -Wconversion
+    -Wextended-offsetof
+    -Wformat-nonliteral
+    -Wlanguage-extension-token
+    -Wmissing-field-initializers
+    -Wmissing-noreturn
+    -Wmissing-variable-declarations
+    # Not used because we cannot change public structs
+    # -Wpadded
+    -Wsign-conversion
+    # Not used because this basically disallows default case
+    # -Wswitch-enum
+    -Wunreachable-code-break
+    -Wunused-macros
+    -Wunused-parameter
+    -Wredundant-decls
+    # Only work with Clang for the moment
+    -Wheader-guard
+    # This is required because we pass format string as "const char*.
+    -Wno-format-nonliteral
+  )
+
+  extract_valid_cxx_flags(WARNCXXFLAGS
+    # For C++ compiler
+    -Wall
+    -Wformat-security
+  )
+endif()
+
+if(ENABLE_DEBUG)
+  set(DEBUGBUILD 1)
+endif()
+
+# Some platform does not have working std::future.  We disable
+# threading for those platforms.
+if(NOT ENABLE_THREADS OR NOT HAVE_STD_FUTURE)
+  set(NOTHREADS 1)
+endif()
+
+add_definitions(-DHAVE_CONFIG_H)
+configure_file(cmakeconfig.h.in config.h)
+# autotools-compatible names
+# Sphinx expects relative paths in the .rst files. Use the fact that the files
+# below are all one directory level deep.
+file(RELATIVE_PATH top_srcdir   "${CMAKE_CURRENT_BINARY_DIR}/dir" "${CMAKE_CURRENT_SOURCE_DIR}")
+file(RELATIVE_PATH top_builddir "${CMAKE_CURRENT_BINARY_DIR}/dir" "${CMAKE_CURRENT_BINARY_DIR}")
+set(abs_top_srcdir  "${CMAKE_CURRENT_SOURCE_DIR}")
+set(abs_top_builddir "${CMAKE_CURRENT_BINARY_DIR}")
+# libnghttp2.pc (pkg-config file)
+set(prefix          "${CMAKE_INSTALL_PREFIX}")
+set(exec_prefix     "${CMAKE_INSTALL_PREFIX}")
+set(libdir          "${CMAKE_INSTALL_FULL_LIBDIR}")
+set(includedir      "${CMAKE_INSTALL_FULL_INCLUDEDIR}")
+set(VERSION         "${PACKAGE_VERSION}")
+# For init scripts and systemd service file (in contrib/)
+set(bindir          "${CMAKE_INSTALL_FULL_BINDIR}")
+set(sbindir         "${CMAKE_INSTALL_FULL_SBINDIR}")
+foreach(name
+   lib/libnghttp2.pc
+   lib/includes/nghttp2/nghttp2ver.h
+   src/libnghttp2_asio.pc
+   python/setup.py
+   integration-tests/config.go
+   integration-tests/setenv
+   doc/conf.py
+   doc/index.rst
+   doc/package_README.rst
+   doc/tutorial-client.rst
+   doc/tutorial-server.rst
+   doc/tutorial-hpack.rst
+   doc/nghttpx-howto.rst
+   doc/h2load-howto.rst
+   doc/libnghttp2_asio.rst
+   doc/python-apiref.rst
+   doc/building-android-binary.rst
+   doc/nghttp2.h.rst
+   doc/nghttp2ver.h.rst
+   doc/asio_http2.h.rst
+   doc/asio_http2_server.h.rst
+   doc/asio_http2_client.h.rst
+   doc/contribute.rst
+)
+  configure_file("${name}.in" "${name}" @ONLY)
+endforeach()
+
+include_directories(
+  "${CMAKE_CURRENT_BINARY_DIR}" # for config.h
+)
+# For use in src/CMakeLists.txt
+set(PKGDATADIR "${CMAKE_INSTALL_FULL_DATADIR}/${CMAKE_PROJECT_NAME}")
+
+install(FILES README.rst DESTINATION "${CMAKE_INSTALL_DOCDIR}")
+
+add_subdirectory(lib)
+#add_subdirectory(lib/includes)
+add_subdirectory(third-party)
+add_subdirectory(src)
+#add_subdirectory(src/includes)
+add_subdirectory(examples)
+add_subdirectory(python)
+add_subdirectory(tests)
+#add_subdirectory(tests/testdata)
+add_subdirectory(integration-tests)
+add_subdirectory(doc)
+add_subdirectory(contrib)
+add_subdirectory(script)
+
+
+string(TOUPPER "${CMAKE_BUILD_TYPE}" _build_type)
+message(STATUS "summary of build options:
+
+    Package version: ${VERSION}
+    Library version: ${LT_CURRENT}:${LT_REVISION}:${LT_AGE}
+    Install prefix:  ${CMAKE_INSTALL_PREFIX}
+    Target system:   ${CMAKE_SYSTEM_NAME}
+    Compiler:
+      Build type:     ${CMAKE_BUILD_TYPE}
+      C compiler:     ${CMAKE_C_COMPILER}
+      CFLAGS:         ${CMAKE_C_FLAGS_${_build_type}} ${CMAKE_C_FLAGS}
+      C++ compiler:   ${CMAKE_CXX_COMPILER}
+      CXXFLAGS:       ${CMAKE_CXX_FLAGS_${_build_type}} ${CMAKE_CXX_FLAGS}
+      WARNCFLAGS:     ${WARNCFLAGS}
+      CXX1XCXXFLAGS:  ${CXX1XCXXFLAGS}
+    Python:
+      Python:         ${PYTHON_EXECUTABLE}
+      PYTHON_VERSION: ${PYTHON_VERSION_STRING}
+      Library version:${PYTHONLIBS_VERSION_STRING}
+      Cython:         ${CYTHON_EXECUTABLE}
+    Test:
+      CUnit:          ${HAVE_CUNIT} (LIBS='${CUNIT_LIBRARIES}')
+      Failmalloc:     ${ENABLE_FAILMALLOC}
+    Libs:
+      OpenSSL:        ${HAVE_OPENSSL} (LIBS='${OPENSSL_LIBRARIES}')
+      Libxml2:        ${HAVE_LIBXML2} (LIBS='${LIBXML2_LIBRARIES}')
+      Libev:          ${HAVE_LIBEV} (LIBS='${LIBEV_LIBRARIES}')
+      Libc-ares:      ${HAVE_LIBCARES} (LIBS='${LIBCARES_LIBRARIES}')
+      Libevent(SSL):  ${HAVE_LIBEVENT_OPENSSL} (LIBS='${LIBEVENT_OPENSSL_LIBRARIES}')
+      Spdylay:        ${HAVE_SPDYLAY} (LIBS='${SPDYLAY_LIBRARIES}')
+      Jansson:        ${HAVE_JANSSON} (LIBS='${JANSSON_LIBRARIES}')
+      Jemalloc:       ${HAVE_JEMALLOC} (LIBS='${JEMALLOC_LIBRARIES}')
+      Zlib:           ${HAVE_ZLIB} (LIBS='${ZLIB_LIBRARIES}')
+      Boost::System:  ${Boost_SYSTEM_LIBRARY}
+      Boost::Thread:  ${Boost_THREAD_LIBRARY}
+    Third-party:
+      http-parser:    ${ENABLE_THIRD_PARTY}
+      MRuby:          ${HAVE_MRUBY}
+      Neverbleed:     ${HAVE_NEVERBLEED}
+    Features:
+      Applications:   ${ENABLE_APP}
+      HPACK tools:    ${ENABLE_HPACK_TOOLS}
+      Libnghttp2_asio:${ENABLE_ASIO_LIB}
+      Examples:       ${ENABLE_EXAMPLES}
+      Python bindings:${ENABLE_PYTHON_BINDINGS}
+      Threading:      ${ENABLE_THREADS}
+")
+if(ENABLE_LIB_ONLY_DISABLED_OTHERS)
+  message("Only the library will be built. To build other components "
+    "(such as applications and examples), set ENABLE_LIB_ONLY=OFF.")
+endif()

CMakeOptions.txt

@@ -0,0 +1,29 @@
+# Features that can be enabled for cmake (see CMakeLists.txt)
+
+option(ENABLE_WERROR    "Turn on compile time warnings")
+option(ENABLE_DEBUG     "Turn on debug output")
+option(ENABLE_THREADS   "Turn on threading in apps" ON)
+option(ENABLE_APP       "Build applications (nghttp, nghttpd, nghttpx and h2load)"
+  ${ENABLE_APP_DEFAULT})
+option(ENABLE_HPACK_TOOLS "Build HPACK tools"
+  ${ENABLE_HPACK_TOOLS_DEFAULT})
+option(ENABLE_ASIO_LIB  "Build C++ libnghttp2_asio library")
+option(ENABLE_EXAMPLES  "Build examples"
+  ${ENABLE_EXAMPLES_DEFAULT})
+option(ENABLE_PYTHON_BINDINGS "Build Python bindings"
+  ${ENABLE_PYTHON_BINDINGS_DEFAULT})
+option(ENABLE_FAILMALLOC "Build failmalloc test program" ON)
+option(ENABLE_LIB_ONLY  "Build libnghttp2 only.  This is a short hand for -DENABLE_APP=0 -DENABLE_EXAMPLES=0 -DENABLE_HPACK_TOOLS=0 -DENABLE_PYTHON_BINDINGS=0")
+option(ENABLE_STATIC_LIB "Build libnghttp2 in static mode also")
+option(ENABLE_SHARED_LIB "Build libnghttp2 as a shared library" ON)
+
+option(WITH_LIBXML2     "Use libxml2"
+  ${WITH_LIBXML2_DEFAULT})
+option(WITH_JEMALLOC    "Use jemalloc"
+  ${WITH_JEMALLOC_DEFAULT})
+option(WITH_SPDYLAY     "Use spdylay"
+  ${WITH_SPDYLAY_DEFAULT})
+option(WITH_MRUBY       "Use mruby")
+option(WITH_NEVERBLEED  "Use neverbleed")
+
+# vim: ft=cmake:

COPYING

@@ -1,6 +1,7 @@
 The MIT License
 
-Copyright (c) 2012, 2014, 2015 Tatsuhiro Tsujikawa
+Copyright (c) 2012, 2014, 2015, 2016 Tatsuhiro Tsujikawa
+Copyright (c) 2012, 2014, 2015, 2016 nghttp2 contributors
 
 Permission is hereby granted, free of charge, to any person obtaining
 a copy of this software and associated documentation files (the

Dockerfile.android

@@ -10,39 +10,47 @@
 #
 # $ sudo docker run -v /path/to/dest:/out nghttp2-android cp /root/build/nghttp2/src/nghttpx /out
 
-FROM ubuntu:vivid
 
+# Only use standalone-toolchain for reduce size
+FROM ubuntu:xenial
 MAINTAINER Tatsuhiro Tsujikawa
-
-ENV ANDROID_HOME /root/android
-ENV PREFIX $ANDROID_HOME/usr/local
+ENV ANDROID_HOME /root
 ENV TOOLCHAIN $ANDROID_HOME/toolchain
 ENV PATH $TOOLCHAIN/bin:$PATH
 
-# It would be better to use nearest ubuntu archive mirror for faster
-# downloads.
-# RUN sed -ie 's/archive\.ubuntu/jp.archive.ubuntu/g' /etc/apt/sources.list
+ENV NDK_VERSION r14b
 
-RUN apt-get update
-# genisoimage, libc6-i386 and lib32stdc++6 are required to decompress ndk.
-RUN apt-get install -y make binutils autoconf automake autotools-dev libtool \
-    pkg-config git curl dpkg-dev libxml2-dev \
-    genisoimage libc6-i386 lib32stdc++6
+WORKDIR /root
+RUN apt-get update && \
+    apt-get install -y unzip make binutils autoconf \
+      automake autotools-dev libtool pkg-config git \
+      curl dpkg-dev libxml2-dev genisoimage libc6-i386 \
+      lib32stdc++6 python&& \
+    rm -rf /var/cache/apk/*
+
+# Install toolchain
+RUN curl -L -O https://dl.google.com/android/repository/android-ndk-$NDK_VERSION-linux-x86_64.zip && \
+   unzip -q android-ndk-$NDK_VERSION-linux-x86_64.zip && \
+   rm android-ndk-$NDK_VERSION-linux-x86_64.zip && \
+   mkdir -p $ANDROID_HOME/toolchain && \
+   $ANDROID_HOME/android-ndk-$NDK_VERSION/build/tools/make-standalone-toolchain.sh \
+       --install-dir=$ANDROID_HOME/toolchain \
+       --toolchain=arm-linux-androideabi-4.9 \
+       --force && \
+   rm -r android-ndk-$NDK_VERSION
+
+ENV PREFIX /root/usr/local
+
+# Setup version of libraries
+ENV OPENSSL_VERSION 1.0.2d
+ENV SPDYLAY_VERSION v1.4.0
+ENV LIBEV_VERSION 4.19
+ENV ZLIB_VERSION 1.2.8
+ENV CARES_VERSION 1.13.0
+ENV NGHTTP2_VERSION v1.24.0
 
 WORKDIR /root/build
-RUN curl -L -O http://dl.google.com/android/ndk/android-ndk-r10d-linux-x86_64.bin && \
-    chmod a+x android-ndk-r10d-linux-x86_64.bin && \
-    ./android-ndk-r10d-linux-x86_64.bin && \
-    rm android-ndk-r10d-linux-x86_64.bin
-
-WORKDIR /root/build/android-ndk-r10d
-RUN /bin/bash build/tools/make-standalone-toolchain.sh \
-    --install-dir=$ANDROID_HOME/toolchain \
-    --toolchain=arm-linux-androideabi-4.9 --llvm-version=3.5 \
-    --system=linux-x86_64
-
-WORKDIR /root/build
-RUN git clone https://github.com/tatsuhiro-t/spdylay
+RUN git clone https://github.com/tatsuhiro-t/spdylay -b $SPDYLAY_VERSION --depth 1
 WORKDIR /root/build/spdylay
 RUN autoreconf -i && \
     ./configure \
@@ -59,22 +67,22 @@ RUN autoreconf -i && \
     make install
 
 WORKDIR /root/build
-RUN curl -L -O https://www.openssl.org/source/openssl-1.0.2a.tar.gz && \
-    tar xf openssl-1.0.2a.tar.gz && \
-    rm openssl-1.0.2a.tar.gz
+RUN curl -L -O https://www.openssl.org/source/openssl-$OPENSSL_VERSION.tar.gz && \
+    tar xf openssl-$OPENSSL_VERSION.tar.gz && \
+    rm openssl-$OPENSSL_VERSION.tar.gz
 
-WORKDIR /root/build/openssl-1.0.2a
+WORKDIR /root/build/openssl-$OPENSSL_VERSION
 RUN export CROSS_COMPILE=$TOOLCHAIN/bin/arm-linux-androideabi- && \
     ./Configure --prefix=$PREFIX android && \
     make && make install_sw
 
 WORKDIR /root/build
-RUN curl -L -O http://dist.schmorp.de/libev/libev-4.19.tar.gz && \
+RUN curl -L -O http://dist.schmorp.de/libev/Attic/libev-$LIBEV_VERSION.tar.gz && \
     curl -L -O https://gist.github.com/tatsuhiro-t/48c45f08950f587180ed/raw/80a8f003b5d1091eae497c5995bbaa68096e739b/libev-4.19-android.patch && \
-    tar xf libev-4.19.tar.gz && \
-    rm libev-4.19.tar.gz
+    tar xf libev-$LIBEV_VERSION.tar.gz && \
+    rm libev-$LIBEV_VERSION.tar.gz
 
-WORKDIR /root/build/libev-4.19
+WORKDIR /root/build/libev-$LIBEV_VERSION
 RUN patch -p1 < ../libev-4.19-android.patch && \
     ./configure \
     --host=arm-linux-androideabi \
@@ -87,11 +95,11 @@ RUN patch -p1 < ../libev-4.19-android.patch && \
     make install
 
 WORKDIR /root/build
-RUN curl -L -O http://zlib.net/zlib-1.2.8.tar.gz && \
-    tar xf zlib-1.2.8.tar.gz && \
-    rm zlib-1.2.8.tar.gz
+RUN curl -L -O https://downloads.sourceforge.net/project/libpng/zlib/$ZLIB_VERSION/zlib-$ZLIB_VERSION.tar.gz && \
+    tar xf zlib-$ZLIB_VERSION.tar.gz && \
+    rm zlib-$ZLIB_VERSION.tar.gz
 
-WORKDIR /root/build/zlib-1.2.8
+WORKDIR /root/build/zlib-$ZLIB_VERSION
 RUN HOST=arm-linux-androideabi \
     CC=$HOST-gcc \
     AR=$HOST-ar \
@@ -105,11 +113,26 @@ RUN HOST=arm-linux-androideabi \
     --static && \
     make install
 
+
 WORKDIR /root/build
-RUN git clone https://github.com/tatsuhiro-t/nghttp2
+RUN curl -L -O https://c-ares.haxx.se/download/c-ares-$CARES_VERSION.tar.gz && \
+    tar xf c-ares-$CARES_VERSION.tar.gz && \
+    rm c-ares-$CARES_VERSION.tar.gz
+
+WORKDIR /root/build/c-ares-$CARES_VERSION
+RUN ./configure \
+      --host=arm-linux-androideabi \
+      --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
+      --prefix=$PREFIX \
+      --disable-shared && \
+    make install
+
+WORKDIR /root/build
+RUN git clone https://github.com/nghttp2/nghttp2 -b $NGHTTP2_VERSION --depth 1
 WORKDIR /root/build/nghttp2
 RUN autoreconf -i && \
     ./configure \
+    --enable-app \
     --disable-shared \
     --host=arm-linux-androideabi \
     --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
@@ -118,11 +141,10 @@ RUN autoreconf -i && \
     --disable-python-bindings \
     --disable-examples \
     --disable-threads \
-    LIBSPDYLAY_CFLAGS=-I$PREFIX/usr/local/include \
-    LIBSPDYLAY_LIBS="-L$PREFIX/usr/local/lib -lspdylay" \
-    CPPFLAGS="-fPIE -I$PREFIX/include" \
-    CXXFLAGS="-fno-strict-aliasing" \
-    PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
-    LDFLAGS="-fPIE -pie -L$PREFIX/lib" && \
+      CC="$TOOLCHAIN"/bin/arm-linux-androideabi-clang \
+      CXX="$TOOLCHAIN"/bin/arm-linux-androideabi-clang++ \
+      CPPFLAGS="-fPIE -I$PREFIX/include" \
+      PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
+      LDFLAGS="-fPIE -pie -L$PREFIX/lib" && \
     make && \
     arm-linux-androideabi-strip src/nghttpx src/nghttpd src/nghttp

LICENSE

@@ -0,0 +1 @@
+See COPYING

Makefile.am

@@ -33,7 +33,20 @@ ACLOCAL_AMFLAGS = -I m4
 dist_doc_DATA = README.rst
 
 EXTRA_DIST = nghttpx.conf.sample proxy.pac.sample android-config android-make \
-	Dockerfile.android
+	Dockerfile.android \
+	cmakeconfig.h.in \
+	CMakeLists.txt \
+	CMakeOptions.txt \
+	cmake/FindSpdylay.cmake \
+	cmake/ExtractValidFlags.cmake \
+	cmake/FindJemalloc.cmake \
+	cmake/FindLibev.cmake \
+	cmake/FindCUnit.cmake \
+	cmake/Version.cmake \
+	cmake/FindCython.cmake \
+	cmake/FindLibevent.cmake \
+	cmake/FindJansson.cmake \
+	cmake/FindLibcares.cmake
 
 .PHONY: clang-format
 

README.rst

@@ -4,10 +4,10 @@ nghttp2 - HTTP/2 C Library
 This is an implementation of the Hypertext Transfer Protocol version 2
 in C.
 
-The framing layer of HTTP/2 is implemented as a reusable C
-library.  On top of that, we have implemented an HTTP/2 client, server
-and proxy.  We have also developed load test and benchmarking tools for
-HTTP/2 and SPDY.
+The framing layer of HTTP/2 is implemented as a reusable C library.
+On top of that, we have implemented an HTTP/2 client, server and
+proxy.  We have also developed load test and benchmarking tools for
+HTTP/2.
 
 An HPACK encoder and decoder are available as a public API.
 
@@ -34,8 +34,8 @@ implementation.
 
 * https://nghttp2.org/ (TLS + ALPN/NPN)
 
-  This endpoint supports ``h2``, ``h2-16``, ``h2-14``, ``spdy/3.1``
-  and ``http/1.1`` via ALPN/NPN and requires TLSv1.2 for HTTP/2
+  This endpoint supports ``h2``, ``h2-16``, ``h2-14``, and
+  ``http/1.1`` via ALPN/NPN and requires TLSv1.2 for HTTP/2
   connection.
 
 * http://nghttp2.org/ (HTTP Upgrade and HTTP/2 Direct)
@@ -58,27 +58,33 @@ To build the documentation, you need to install:
 
 * sphinx (http://sphinx-doc.org/)
 
-To build and run the application programs (``nghttp``, ``nghttpd`` and
-``nghttpx``) in the ``src`` directory, the following packages are
-required:
+If you need libnghttp2 (C library) only, then the above packages are
+all you need.  Use ``--enable-lib-only`` to ensure that only
+libnghttp2 is built.  This avoids potential build error related to
+building bundled applications.
+
+To build and run the application programs (``nghttp``, ``nghttpd``,
+``nghttpx`` and ``h2load``) in the ``src`` directory, the following packages
+are required:
 
 * OpenSSL >= 1.0.1
-* libev >= 4.15
+* libev >= 4.11
 * zlib >= 1.2.3
+* libc-ares >= 1.7.5
 
 ALPN support requires OpenSSL >= 1.0.2 (released 22 January 2015).
 LibreSSL >= 2.2.0 can be used instead of OpenSSL, but OpenSSL has more
 features than LibreSSL at the time of this writing.
 
-To enable the SPDY protocol in the application program ``nghttpx`` and
-``h2load``, the following package is required:
-
-* spdylay >= 1.3.2
-
 To enable ``-a`` option (getting linked assets from the downloaded
 resource) in ``nghttp``, the following package is required:
 
-* libxml2 >= 2.7.7
+* libxml2 >= 2.6.26
+
+To enable systemd support in nghttpx, the following package is
+required:
+
+* libsystemd-dev >= 209
 
 The HPACK tools require the following package:
 
@@ -93,6 +99,11 @@ To mitigate heap fragmentation in long running server programs
 
 * jemalloc
 
+  .. note::
+
+     Alpine Linux currently does not support malloc replacement
+     due to musl limitations. See details in issue `#762 <https://github.com/nghttp2/nghttp2/issues/762>`_.
+
 libnghttp2_asio C++ library requires the following packages:
 
 * libboost-dev >= 1.54.0
@@ -104,14 +115,15 @@ The Python bindings require the following packages:
 * python >= 2.7
 * python-setuptools
 
-If you are using Ubuntu 14.04 LTS (trusty), run the following to install the needed packages::
+If you are using Ubuntu 16.04 LTS (Xenial Xerus) or Debian 8 (jessie)
+and above, run the following to install the required packages:
 
-    sudo apt-get install make binutils autoconf  automake autotools-dev libtool pkg-config \
+.. code-block:: text
+
+    sudo apt-get install g++ make binutils autoconf automake autotools-dev libtool pkg-config \
       zlib1g-dev libcunit1-dev libssl-dev libxml2-dev libev-dev libevent-dev libjansson-dev \
-      libjemalloc-dev cython python3.4-dev python-setuptools
-
-spdylay is not packaged in Ubuntu, so you need to build it yourself:
-http://tatsuhiro-t.github.io/spdylay/
+      libc-ares-dev libjemalloc-dev libsystemd-dev \
+      cython python3-dev python-setuptools
 
 To enable mruby support for nghttpx, `mruby
 <https://github.com/mruby/mruby>`_ is required.  We need to build
@@ -127,24 +139,20 @@ required:
 * ruby
 * bison
 
-Building from git
------------------
+nghttpx supports `neverbleed <https://github.com/h2o/neverbleed>`_,
+privilege separation engine for OpenSSL / LibreSSL.  In short, it
+minimizes the risk of private key leakage when serious bug like
+Heartbleed is exploited.  The neverbleed is disabled by default.  To
+enable it, use ``--with-neverbleed`` configure option.
 
-Building from git is easy, but please be sure that at least autoconf 2.68 is
-used::
-
-    $ autoreconf -i
-    $ automake
-    $ autoconf
-    $ ./configure
-    $ make
-
-To compile the source code, gcc >= 4.8.3 or clang >= 3.4 is required.
+Compiling libnghttp2 C source code requires a C99 compiler.  gcc 4.8
+is known to be adequate.  In order to compile the C++ source code, gcc
+>= 6.0 or clang >= 6.0 is required.  C++ source code requires C++14
+language features.
 
 .. note::
 
-   To enable mruby support in nghttpx, run ``git submodule update
-   --init`` before running configure script, and use ``--with-mruby``
+   To enable mruby support in nghttpx, and use ``--with-mruby``
    configure option.
 
 .. note::
@@ -154,6 +162,90 @@ To compile the source code, gcc >= 4.8.3 or clang >= 3.4 is required.
    them from crashing. A patch is welcome to make multi threading work
    on Mac OS X platform.
 
+.. note::
+
+   To compile the associated applications (nghttp, nghttpd, nghttpx
+   and h2load), you must use the ``--enable-app`` configure option and
+   ensure that the specified requirements above are met.  Normally,
+   configure script checks required dependencies to build these
+   applications, and enable ``--enable-app`` automatically, so you
+   don't have to use it explicitly.  But if you found that
+   applications were not built, then using ``--enable-app`` may find
+   that cause, such as the missing dependency.
+
+.. note::
+
+   In order to detect third party libraries, pkg-config is used
+   (however we don't use pkg-config for some libraries (e.g., libev)).
+   By default, pkg-config searches ``*.pc`` file in the standard
+   locations (e.g., /usr/lib/pkgconfig).  If it is necessary to use
+   ``*.pc`` file in the custom location, specify paths to
+   ``PKG_CONFIG_PATH`` environment variable, and pass it to configure
+   script, like so:
+
+   .. code-block:: text
+
+       $ ./configure PKG_CONFIG_PATH=/path/to/pkgconfig
+
+   For pkg-config managed libraries, ``*_CFLAG`` and ``*_LIBS``
+   environment variables are defined (e.g., ``OPENSSL_CFLAGS``,
+   ``OPENSSL_LIBS``).  Specifying non-empty string to these variables
+   completely overrides pkg-config.  In other words, if they are
+   specified, pkg-config is not used for detection, and user is
+   responsible to specify the correct values to these variables.  For
+   complete list of these variables, run ``./configure -h``.
+
+Building nghttp2 from release tar archive
+-----------------------------------------
+
+The nghttp2 project regularly releases tar archives which includes
+nghttp2 source code, and generated build files.  They can be
+downloaded from `Releases
+<https://github.com/nghttp2/nghttp2/releases>`_ page.
+
+Building nghttp2 from git requires autotools development packages.
+Building from tar archives does not require them, and thus it is much
+easier.  The usual build step is as follows:
+
+.. code-block:: text
+
+    $ tar xf nghttp2-X.Y.Z.tar.bz2
+    $ cd nghttp2-X.Y.Z
+    $ ./configure
+    $ make
+
+Building from git
+-----------------
+
+Building from git is easy, but please be sure that at least autoconf 2.68 is
+used:
+
+.. code-block:: text
+
+    $ git submodule update --init
+    $ autoreconf -i
+    $ automake
+    $ autoconf
+    $ ./configure
+    $ make
+
+Notes for building on Windows (MSVC)
+------------------------------------
+
+The easiest way to build native Windows nghttp2 dll is use `cmake
+<https://cmake.org/>`_.  The free version of `Visual C++ Build Tools
+<http://landinghub.visualstudio.com/visual-cpp-build-tools>`_ works
+fine.
+
+1. Install cmake for windows
+2. Open "Visual C++ ... Native Build Tool Command Prompt", and inside
+   nghttp2 directly, run ``cmake``.
+3. Then run ``cmake --build`` to build library.
+4. nghttp2.dll, nghttp2.lib, nghttp2.exp are placed under lib directory.
+
+Note that the above steps most likely produce nghttp2 library only.
+No bundled applications are compiled.
+
 Notes for building on Windows (Mingw/Cygwin)
 --------------------------------------------
 
@@ -170,7 +262,9 @@ Secondly, you need to undefine the macro ``__STRICT_ANSI__``, if you
 not, the functions ``fdopen``, ``fileno`` and ``strptime`` will not
 available.
 
-the sample command like this::
+the sample command like this:
+
+.. code-block:: text
 
     $ export CFLAGS="-U__STRICT_ANSI__ -I$libev_PREFIX/include -L$libev_PREFIX/lib"
     $ export CXXFLAGS=$CFLAGS
@@ -181,6 +275,18 @@ If you want to compile the applications under ``examples/``, you need
 to remove or rename the ``event.h`` from libev's installation, because
 it conflicts with libevent's installation.
 
+Notes for installation on Linux systems
+--------------------------------------------
+After installing nghttp2 tool suite with ``make install`` one might experience a similar error:
+
+.. code-block:: text
+
+    nghttpx: error while loading shared libraries: libnghttp2.so.14: cannot open shared object file: No such file or directory
+
+This means that the tool is unable to locate the ``libnghttp2.so`` shared library.
+
+To update the shared library cache run ``sudo ldconfig``.
+
 Building the documentation
 --------------------------
 
@@ -188,7 +294,9 @@ Building the documentation
 
    Documentation is still incomplete.
 
-To build the documentation, run::
+To build the documentation, run:
+
+.. code-block:: text
 
     $ make html
 
@@ -211,28 +319,21 @@ We have the integration tests for the nghttpx proxy server.  The tests are
 written in the `Go programming language <http://golang.org/>`_ and uses
 its testing framework.  We depend on the following libraries:
 
-* https://github.com/bradfitz/http2
-* https://github.com/tatsuhiro-t/go-nghttp2
-* https://github.com/tatsuhiro-t/spdy
+* golang.org/x/net/http2
 * golang.org/x/net/websocket
+* https://github.com/tatsuhiro-t/go-nghttp2
 
-To download the above packages, after settings ``GOPATH``, run the
-following command under ``integration-tests`` directory::
-
-    $ make itprep
+Go modules will download these dependencies automatically.
 
 To run the tests, run the following command under
-``integration-tests`` directory::
+``integration-tests`` directory:
+
+.. code-block:: text
 
     $ make it
 
 Inside the tests, we use port 3009 to run the test subject server.
 
-.. note::
-
-   github.com/tatsuhiro-t/spdy is a copy used to be available at
-   golang.org/x/net/spdy, but it is now gone.
-
 Migration from v0.7.15 or earlier
 ---------------------------------
 
@@ -268,7 +369,7 @@ for this 24 bytes byte string and updated API.
   ``NGHTTP2_CLIENT_MAGIC_LEN``.
 * ``NGHTTP2_BAD_PREFACE`` was renamed as ``NGHTTP2_BAD_CLIENT_MAGIC``
 
-The alreay deprecated ``NGHTTP2_CLIENT_CONNECTION_HEADER`` and
+The already deprecated ``NGHTTP2_CLIENT_CONNECTION_HEADER`` and
 ``NGHTTP2_CLIENT_CONNECTION_HEADER_LEN`` were removed.
 
 If application uses these macros, just replace old ones with new ones.
@@ -343,7 +444,9 @@ nghttp - client
 with prior knowledge, HTTP Upgrade and NPN/ALPN TLS extension.
 
 It has verbose output mode for framing information.  Here is sample
-output from ``nghttp`` client::
+output from ``nghttp`` client:
+
+.. code-block:: text
 
     $ nghttp -nv https://nghttp2.org
     [  0.190] Connected
@@ -426,7 +529,9 @@ output from ``nghttp`` client::
     [  0.228] send GOAWAY frame <length=8, flags=0x00, stream_id=0>
 	      (last_stream_id=2, error_code=NO_ERROR(0x00), opaque_data(0)=[])
 
-The HTTP Upgrade is performed like so::
+The HTTP Upgrade is performed like so:
+
+.. code-block:: text
 
     $ nghttp -nvu http://nghttp2.org
     [  0.011] Connected
@@ -522,7 +627,9 @@ The HTTP Upgrade is performed like so::
 	      (last_stream_id=2, error_code=NO_ERROR(0x00), opaque_data(0)=[])
 
 Using the ``-s`` option, ``nghttp`` prints out some timing information for
-requests, sorted by completion time::
+requests, sorted by completion time:
+
+.. code-block:: text
 
     $ nghttp -nas https://nghttp2.org/
     ***** Statistics *****
@@ -566,7 +673,9 @@ HTTP/2 connections.  No HTTP Upgrade is supported.
 The ``-p`` option allows users to configure server push.
 
 Just like ``nghttp``, it has a verbose output mode for framing
-information.  Here is sample output from ``nghttpd``::
+information.  Here is sample output from ``nghttpd``:
+
+.. code-block:: text
 
     $ nghttpd --no-tls -v 8080
     IPv4: listen 0.0.0.0:8080
@@ -625,64 +734,71 @@ information.  Here is sample output from ``nghttpd``::
 nghttpx - proxy
 +++++++++++++++
 
-``nghttpx`` is a multi-threaded reverse proxy for HTTP/2, SPDY and
+``nghttpx`` is a multi-threaded reverse proxy for HTTP/2, and
 HTTP/1.1, and powers http://nghttp2.org and supports HTTP/2 server
 push.
 
+We reworked ``nghttpx`` command-line interface, and as a result, there
+are several incompatibles from 1.8.0 or earlier.  This is necessary to
+extend its capability, and secure the further feature enhancements in
+the future release.  Please read `Migration from nghttpx v1.8.0 or
+earlier
+<https://nghttp2.org/documentation/nghttpx-howto.html#migration-from-nghttpx-v1-8-0-or-earlier>`_
+to know how to migrate from earlier releases.
+
 ``nghttpx`` implements `important performance-oriented features
 <https://istlsfastyet.com/#server-performance>`_ in TLS, such as
 session IDs, session tickets (with automatic key rotation), OCSP
-stapling, dynamic record sizing, ALPN/NPN, forward secrecy and SPDY &
-HTTP/2.
+stapling, dynamic record sizing, ALPN/NPN, forward secrecy and HTTP/2.
+``nghttpx`` also offers the functionality to share session cache and
+ticket keys among multiple ``nghttpx`` instances via memcached.
 
-``nghttpx`` has several operational modes:
+``nghttpx`` has 2 operation modes:
 
-================== ============================ ============== =============
-Mode option        Frontend                     Backend        Note
-================== ============================ ============== =============
-default mode       HTTP/2, SPDY, HTTP/1.1 (TLS) HTTP/1.1       Reverse proxy
-``--http2-proxy``  HTTP/2, SPDY, HTTP/1.1 (TLS) HTTP/1.1       SPDY proxy
-``--http2-bridge`` HTTP/2, SPDY, HTTP/1.1 (TLS) HTTP/2 (TLS)
-``--client``       HTTP/2, HTTP/1.1             HTTP/2 (TLS)
-``--client-proxy`` HTTP/2, HTTP/1.1             HTTP/2 (TLS)   Forward proxy
-================== ============================ ============== =============
+================== ================ ================ =============
+Mode option        Frontend         Backend          Note
+================== ================ ================ =============
+default mode       HTTP/2, HTTP/1.1 HTTP/1.1, HTTP/2 Reverse proxy
+``--http2-proxy``  HTTP/2, HTTP/1.1 HTTP/1.1, HTTP/2 Forward proxy
+================== ================ ================ =============
 
 The interesting mode at the moment is the default mode.  It works like
-a reverse proxy and listens for HTTP/2, SPDY and HTTP/1.1 and can be
+a reverse proxy and listens for HTTP/2, and HTTP/1.1 and can be
 deployed as a SSL/TLS terminator for existing web server.
 
-The default mode, ``--http2-proxy`` and ``--http2-bridge`` modes use
-SSL/TLS in the frontend connection by default.  To disable SSL/TLS,
-use the ``--frontend-no-tls`` option.  If that option is used, SPDY is
-disabled in the frontend and incoming HTTP/1.1 connections can be
-upgraded to HTTP/2 through HTTP Upgrade.
-
-The ``--http2-bridge``, ``--client`` and ``--client-proxy`` modes use
-SSL/TLS in the backend connection by default.  To disable SSL/TLS, use
-the ``--backend-no-tls`` option.
+In all modes, the frontend connections are encrypted by SSL/TLS by
+default.  To disable encryption, use the ``no-tls`` keyword in
+``--frontend`` option.  If encryption is disabled, incoming HTTP/1.1
+connections can be upgraded to HTTP/2 through HTTP Upgrade.  On the
+other hard, backend connections are not encrypted by default.  To
+encrypt backend connections, use ``tls`` keyword in ``--backend``
+option.
 
 ``nghttpx`` supports a configuration file.  See the ``--conf`` option and
 sample configuration file ``nghttpx.conf.sample``.
 
-In the default mode, (without any of ``--http2-proxy``,
-``--http2-bridge``, ``--client-proxy`` and ``--client`` options),
-``nghttpx`` works as reverse proxy to the backend server::
+In the default mode, ``nghttpx`` works as reverse proxy to the backend
+server:
 
-    Client <-- (HTTP/2, SPDY, HTTP/1.1) --> nghttpx <-- (HTTP/1.1) --> Web Server
-                                          [reverse proxy]
+.. code-block:: text
 
-With the ``--http2-proxy`` option, it works as a so called secure proxy (aka
-SPDY proxy)::
+    Client <-- (HTTP/2, HTTP/1.1) --> nghttpx <-- (HTTP/1.1, HTTP/2) --> Web Server
+                                    [reverse proxy]
 
-    Client <-- (HTTP/2, SPDY, HTTP/1.1) --> nghttpx <-- (HTTP/1.1) --> Proxy
-                                           [secure proxy]          (e.g., Squid, ATS)
+With the ``--http2-proxy`` option, it works as forward proxy, and it
+is so called secure HTTP/2 proxy:
+
+.. code-block:: text
+
+    Client <-- (HTTP/2, HTTP/1.1) --> nghttpx <-- (HTTP/1.1) --> Proxy
+                                     [secure proxy]          (e.g., Squid, ATS)
 
 The ``Client`` in the above example needs to be configured to use
 ``nghttpx`` as secure proxy.
 
-At the time of this writing, Chrome is the only browser which supports
-secure proxy.  One way to configure Chrome to use a secure proxy is
-to create a proxy.pac script like this:
+At the time of this writing, both Chrome and Firefox support secure
+HTTP/2 proxy.  One way to configure Chrome to use a secure proxy is to
+create a proxy.pac script like this:
 
 .. code-block:: javascript
 
@@ -694,44 +810,20 @@ to create a proxy.pac script like this:
 machine nghttpx is running on.  Please note that Chrome requires a valid
 certificate for secure proxy.
 
-Then run Chrome with the following arguments::
+Then run Chrome with the following arguments:
+
+.. code-block:: text
 
     $ google-chrome --proxy-pac-url=file:///path/to/proxy.pac --use-npn
 
-With ``--http2-bridge``, it accepts HTTP/2, SPDY and HTTP/1.1
-connections and communicates with the backend in HTTP/2::
-
-    Client <-- (HTTP/2, SPDY, HTTP/1.1) --> nghttpx <-- (HTTP/2) --> Web or HTTP/2 Proxy etc
-                                                                         (e.g., nghttpx -s)
-
-With ``--client-proxy``, it works as a forward proxy and expects
-that the backend is an HTTP/2 proxy::
-
-    Client <-- (HTTP/2, HTTP/1.1) --> nghttpx <-- (HTTP/2) --> HTTP/2 Proxy
-                                     [forward proxy]               (e.g., nghttpx -s)
-
-The ``Client`` needs to be configured to use nghttpx as a forward
-proxy.  The frontend HTTP/1.1 connection can be upgraded to HTTP/2
-through HTTP Upgrade.  With the above configuration, one can use
-HTTP/1.1 client to access and test their HTTP/2 servers.
-
-With ``--client``, it works as a reverse proxy and expects that
-the backend is an HTTP/2 Web server::
-
-    Client <-- (HTTP/2, HTTP/1.1) --> nghttpx <-- (HTTP/2) --> Web Server
-                                    [reverse proxy]
-
-The frontend HTTP/1.1 connection can be upgraded to HTTP/2
-through HTTP Upgrade.
-
-For the operation modes which talk to the backend in HTTP/2 over
-SSL/TLS, the backend connections can be tunneled through an HTTP proxy.
+The backend HTTP/2 connections can be tunneled through an HTTP proxy.
 The proxy is specified using ``--backend-http-proxy-uri``.  The
-following figure illustrates the example of the ``--http2-bridge`` and
-``--backend-http-proxy-uri`` options to talk to the outside HTTP/2
-proxy through an HTTP proxy::
+following figure illustrates how nghttpx talks to the outside HTTP/2
+proxy through an HTTP proxy:
 
-    Client <-- (HTTP/2, SPDY, HTTP/1.1) --> nghttpx <-- (HTTP/2) --
+.. code-block:: text
+
+    Client <-- (HTTP/2, HTTP/1.1) --> nghttpx <-- (HTTP/2) --
 
             --===================---> HTTP/2 Proxy
               (HTTP proxy tunnel)     (e.g., nghttpx -s)
@@ -739,11 +831,12 @@ proxy through an HTTP proxy::
 Benchmarking tool
 -----------------
 
-The ``h2load`` program is a benchmarking tool for HTTP/2 and SPDY.
-The SPDY support is enabled if the program was built with the spdylay
-library.  The UI of ``h2load`` is heavily inspired by ``weighttp``
+The ``h2load`` program is a benchmarking tool for HTTP/2.  The UI of
+``h2load`` is heavily inspired by ``weighttp``
 (https://github.com/lighttpd/weighttp).  The typical usage is as
-follows::
+follows:
+
+.. code-block:: text
 
     $ h2load -n100000 -c100 -m100 https://localhost:8443/
     starting benchmark...
@@ -831,7 +924,9 @@ Example:
 With the ``-t`` option, the program can accept more familiar HTTP/1 style
 header field blocks.  Each header set is delimited by an empty line:
 
-Example::
+Example:
+
+.. code-block:: text
 
     :method: GET
     :scheme: https
@@ -853,7 +948,7 @@ output_length
     The length of the compressed header block.
 
 percentage_of_original_size
-    ``input_length`` / ``output_length`` * 100
+    ``output_length`` / ``input_length`` * 100
 
 wire
     The compressed header block as a hex string.
@@ -1234,7 +1329,7 @@ are:
 * Boost::Thread
 
 The server API is designed to build an HTTP/2 server very easily to utilize
-C++11 anonymous functions and closures.  The bare minimum example of
+C++14 anonymous functions and closures.  The bare minimum example of
 an HTTP/2 server looks like this:
 
 .. code-block:: cpp
@@ -1327,7 +1422,7 @@ The extension module is called ``nghttp2``.
 determined by the ``configure`` script.  If the detected Python version is not
 what you expect, specify a path to Python executable in a ``PYTHON``
 variable as an argument to configure script (e.g., ``./configure
-PYTHON=/usr/bin/python3.4``).
+PYTHON=/usr/bin/python3.5``).
 
 The following example code illustrates basic usage of the HPACK compressor
 and decompressor in Python:
@@ -1456,3 +1551,32 @@ full real name when contributing!
 See `Contribution Guidelines
 <https://nghttp2.org/documentation/contribute.html>`_ for more
 details.
+
+Reporting vulnerability
+-----------------------
+
+If you find a vulnerability in our software, please send the email to
+"tatsuhiro.t at gmail dot com" about its details instead of submitting
+issues on github issue page.  It is a standard practice not to
+disclose vulnerability information publicly until a fixed version is
+released, or mitigation is worked out.
+
+In the future, we may setup a dedicated mail address for this purpose.
+
+Release schedule
+----------------
+
+In general, we follow `Semantic Versioning <http://semver.org/>`_.  We
+release MINOR version update every month, and usually we ship it
+around 25th day of every month.
+
+We may release PATCH releases between the regular releases, mainly for
+severe security bug fixes.
+
+We have no plan to break API compatibility changes involving soname
+bump, so MAJOR version will stay 1 for the foreseeable future.
+
+License
+-------
+
+The MIT License

android-config

@@ -39,9 +39,9 @@ PATH="$TOOLCHAIN"/bin:"$PATH"
     --without-libxml2 \
     --disable-python-bindings \
     --disable-examples \
-    --enable-werror \
-    CC="$TOOLCHAIN"/bin/clang \
-    CXX="$TOOLCHAIN"/bin/clang++ \
+    --disable-threads \
+    CC="$TOOLCHAIN"/bin/arm-linux-androideabi-clang \
+    CXX="$TOOLCHAIN"/bin/arm-linux-androideabi-clang++ \
     CPPFLAGS="-fPIE -I$PREFIX/include" \
     PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
     LDFLAGS="-fPIE -pie -L$PREFIX/lib"

appveyor.yml

@@ -0,0 +1,53 @@
+# Notes:
+#   - Minimal appveyor.yml file is an empty file. All sections are optional.
+#   - Indent each level of configuration with 2 spaces. Do not use tabs!
+#   - All section names are case-sensitive.
+#   - Section names should be unique on each level.
+
+#---------------------------------#
+#      general configuration      #
+#---------------------------------#
+
+# version format
+#version: 0.10.{build}
+
+# branches to build
+branches:
+  # blacklist
+  except:
+    - gh-pages
+
+# Do not build on tags (GitHub only)
+skip_tags: true
+
+#---------------------------------#
+#    environment configuration    #
+#---------------------------------#
+
+os: Windows Server 2012
+
+# scripts that run after cloning repository
+install:
+  # install Win-Flex-Bison
+  #- cmd: cinst winflexbison -y
+
+#---------------------------------#
+#       build configuration       #
+#---------------------------------#
+
+# scripts to run before build
+before_build:
+  - cmd: cmake .
+
+# scripts to run *after* solution is built and *before* automatic packaging occurs (web apps, NuGet packages, Azure Cloud Services)
+# before_package:
+
+# scripts to run after build
+# after_build:
+
+# to run your custom scripts instead of automatic MSBuild
+build_script:
+  - cmd: cmake --build .
+
+# to disable automatic builds
+# build: off

author.py

@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+
+# script to extract commit author's name from standard input.  The
+# input should be <AUTHOR>:<EMAIL>, one per line.
+# This script expects the input is created by git-log command:
+#
+#   git log --format=%aN:%aE
+#
+# This script removes duplicates based on email address, breaking a
+# tie with longer author name.  Among the all author names extract the
+# previous step, we remove duplicate by case-insensitive match.
+#
+# So we can do this in one line:
+#
+#   git log --format=%aN:%aE | sort | uniq | ./author.py > authors
+
+import sys
+
+edict = {}
+
+for line in sys.stdin:
+    author, email = line.strip().split(':', 1)
+    if email in edict:
+        an = edict[email]
+        if len(an) < len(author) or an > author:
+            sys.stderr.write(
+                'eliminated {} in favor of {}\n'.format(an, author))
+            edict[email] = author
+        else:
+            sys.stderr.write(
+                'eliminated {} in favor of {}\n'.format(author, an))
+    else:
+        edict[email] = author
+
+names = list(sorted(edict.values()))
+
+ndict = {}
+
+for name in names:
+    lowname = name.lower()
+    if lowname in ndict:
+        an = ndict[lowname]
+        if an > name:
+            sys.stderr.write('eliminated {} in favor of {}\n'.format(an, name))
+            ndict[lowname] = name
+        else:
+            sys.stderr.write('eliminated {} in favor of {}\n'.format(name, an))
+    else:
+        ndict[lowname] = name
+
+for name in sorted(ndict.values()):
+    print name

cmake/ExtractValidFlags.cmake

@@ -0,0 +1,31 @@
+# Convenience function that checks the availability of certain
+# C or C++ compiler flags and returns valid ones as a string.
+
+include(CheckCCompilerFlag)
+include(CheckCXXCompilerFlag)
+
+function(extract_valid_c_flags varname)
+  set(valid_flags)
+  foreach(flag IN LISTS ARGN)
+    string(REGEX REPLACE "[^a-zA-Z0-9_]+" "_" flag_var ${flag})
+    set(flag_var "C_FLAG_${flag_var}")
+    check_c_compiler_flag("${flag}" "${flag_var}")
+    if(${flag_var})
+      set(valid_flags "${valid_flags} ${flag}")
+    endif()
+  endforeach()
+  set(${varname} "${valid_flags}" PARENT_SCOPE)
+endfunction()
+
+function(extract_valid_cxx_flags varname)
+  set(valid_flags)
+  foreach(flag IN LISTS ARGN)
+    string(REGEX REPLACE "[^a-zA-Z0-9_]+" "_" flag_var ${flag})
+    set(flag_var "CXX_FLAG_${flag_var}")
+    check_cxx_compiler_flag("${flag}" "${flag_var}")
+    if(${flag_var})
+      set(valid_flags "${valid_flags} ${flag}")
+    endif()
+  endforeach()
+  set(${varname} "${valid_flags}" PARENT_SCOPE)
+endfunction()

cmake/FindCUnit.cmake

@@ -0,0 +1,40 @@
+# - Try to find cunit
+# Once done this will define
+#  CUNIT_FOUND        - System has cunit
+#  CUNIT_INCLUDE_DIRS - The cunit include directories
+#  CUNIT_LIBRARIES    - The libraries needed to use cunit
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_CUNIT QUIET cunit)
+
+find_path(CUNIT_INCLUDE_DIR
+  NAMES CUnit/CUnit.h
+  HINTS ${PC_CUNIT_INCLUDE_DIRS}
+)
+find_library(CUNIT_LIBRARY
+  NAMES cunit
+  HINTS ${PC_CUNIT_LIBRARY_DIRS}
+)
+
+if(CUNIT_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+CU_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${CUNIT_INCLUDE_DIR}/CUnit/CUnit.h"
+    CUNIT_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    CUNIT_VERSION "${CUNIT_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set CUNIT_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(CUnit REQUIRED_VARS
+                                  CUNIT_LIBRARY CUNIT_INCLUDE_DIR
+                                  VERSION_VAR CUNIT_VERSION)
+
+if(CUNIT_FOUND)
+  set(CUNIT_LIBRARIES     ${CUNIT_LIBRARY})
+  set(CUNIT_INCLUDE_DIRS  ${CUNIT_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(CUNIT_INCLUDE_DIR CUNIT_LIBRARY)

cmake/FindCython.cmake

@@ -0,0 +1,44 @@
+# Find the Cython compiler.
+#
+# This code sets the following variables:
+#
+#  CYTHON_EXECUTABLE
+#
+# See also UseCython.cmake
+
+#=============================================================================
+# Copyright 2011 Kitware, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#=============================================================================
+
+# Use the Cython executable that lives next to the Python executable
+# if it is a local installation.
+find_package( PythonInterp )
+if( PYTHONINTERP_FOUND )
+  get_filename_component( _python_path ${PYTHON_EXECUTABLE} PATH )
+  find_program( CYTHON_EXECUTABLE
+    NAMES cython cython.bat cython3
+    HINTS ${_python_path}
+    )
+else()
+  find_program( CYTHON_EXECUTABLE
+    NAMES cython cython.bat cython3
+    )
+endif()
+
+
+include( FindPackageHandleStandardArgs )
+FIND_PACKAGE_HANDLE_STANDARD_ARGS( Cython REQUIRED_VARS CYTHON_EXECUTABLE )
+
+mark_as_advanced( CYTHON_EXECUTABLE )

cmake/FindJansson.cmake

@@ -0,0 +1,40 @@
+# - Try to find jansson
+# Once done this will define
+#  JANSSON_FOUND        - System has jansson
+#  JANSSON_INCLUDE_DIRS - The jansson include directories
+#  JANSSON_LIBRARIES    - The libraries needed to use jansson
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_JANSSON QUIET jansson)
+
+find_path(JANSSON_INCLUDE_DIR
+  NAMES jansson.h
+  HINTS ${PC_JANSSON_INCLUDE_DIRS}
+)
+find_library(JANSSON_LIBRARY
+  NAMES jansson
+  HINTS ${PC_JANSSON_LIBRARY_DIRS}
+)
+
+if(JANSSON_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+JANSSON_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${JANSSON_INCLUDE_DIR}/jansson.h"
+    JANSSON_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    JANSSON_VERSION "${JANSSON_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set JANSSON_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Jansson REQUIRED_VARS
+                                  JANSSON_LIBRARY JANSSON_INCLUDE_DIR
+                                  VERSION_VAR JANSSON_VERSION)
+
+if(JANSSON_FOUND)
+  set(JANSSON_LIBRARIES     ${JANSSON_LIBRARY})
+  set(JANSSON_INCLUDE_DIRS  ${JANSSON_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(JANSSON_INCLUDE_DIR JANSSON_LIBRARY)

cmake/FindJemalloc.cmake

@@ -0,0 +1,40 @@
+# - Try to find jemalloc
+# Once done this will define
+#  JEMALLOC_FOUND        - System has jemalloc
+#  JEMALLOC_INCLUDE_DIRS - The jemalloc include directories
+#  JEMALLOC_LIBRARIES    - The libraries needed to use jemalloc
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_JEMALLOC QUIET jemalloc)
+
+find_path(JEMALLOC_INCLUDE_DIR
+  NAMES jemalloc/jemalloc.h
+  HINTS ${PC_JEMALLOC_INCLUDE_DIRS}
+)
+find_library(JEMALLOC_LIBRARY
+  NAMES jemalloc
+  HINTS ${PC_JEMALLOC_LIBRARY_DIRS}
+)
+
+if(JEMALLOC_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+JEMALLOC_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${JEMALLOC_INCLUDE_DIR}/jemalloc/jemalloc.h"
+    JEMALLOC_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    JEMALLOC_VERSION "${JEMALLOC_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set JEMALLOC_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Jemalloc REQUIRED_VARS
+                                  JEMALLOC_LIBRARY JEMALLOC_INCLUDE_DIR
+                                  VERSION_VAR JEMALLOC_VERSION)
+
+if(JEMALLOC_FOUND)
+  set(JEMALLOC_LIBRARIES    ${JEMALLOC_LIBRARY})
+  set(JEMALLOC_INCLUDE_DIRS ${JEMALLOC_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(JEMALLOC_INCLUDE_DIR JEMALLOC_LIBRARY)

cmake/FindLibcares.cmake

@@ -0,0 +1,40 @@
+# - Try to find libcares
+# Once done this will define
+#  LIBCARES_FOUND        - System has libcares
+#  LIBCARES_INCLUDE_DIRS - The libcares include directories
+#  LIBCARES_LIBRARIES    - The libraries needed to use libcares
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBCARES QUIET libcares)
+
+find_path(LIBCARES_INCLUDE_DIR
+  NAMES ares.h
+  HINTS ${PC_LIBCARES_INCLUDE_DIRS}
+)
+find_library(LIBCARES_LIBRARY
+  NAMES cares
+  HINTS ${PC_LIBCARES_LIBRARY_DIRS}
+)
+
+if(LIBCARES_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+ARES_VERSION_STR[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${LIBCARES_INCLUDE_DIR}/ares_version.h"
+    LIBCARES_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    LIBCARES_VERSION "${LIBCARES_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBCARES_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Libcares REQUIRED_VARS
+                                  LIBCARES_LIBRARY LIBCARES_INCLUDE_DIR
+                                  VERSION_VAR LIBCARES_VERSION)
+
+if(LIBCARES_FOUND)
+  set(LIBCARES_LIBRARIES     ${LIBCARES_LIBRARY})
+  set(LIBCARES_INCLUDE_DIRS  ${LIBCARES_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBCARES_INCLUDE_DIR LIBCARES_LIBRARY)

cmake/FindLibev.cmake

@@ -0,0 +1,38 @@
+# - Try to find libev
+# Once done this will define
+#  LIBEV_FOUND        - System has libev
+#  LIBEV_INCLUDE_DIRS - The libev include directories
+#  LIBEV_LIBRARIES    - The libraries needed to use libev
+
+find_path(LIBEV_INCLUDE_DIR
+  NAMES ev.h
+)
+find_library(LIBEV_LIBRARY
+  NAMES ev
+)
+
+if(LIBEV_INCLUDE_DIR)
+  file(STRINGS "${LIBEV_INCLUDE_DIR}/ev.h"
+    LIBEV_VERSION_MAJOR REGEX "^#define[ \t]+EV_VERSION_MAJOR[ \t]+[0-9]+")
+  file(STRINGS "${LIBEV_INCLUDE_DIR}/ev.h"
+    LIBEV_VERSION_MINOR REGEX "^#define[ \t]+EV_VERSION_MINOR[ \t]+[0-9]+")
+  string(REGEX REPLACE "[^0-9]+" "" LIBEV_VERSION_MAJOR "${LIBEV_VERSION_MAJOR}")
+  string(REGEX REPLACE "[^0-9]+" "" LIBEV_VERSION_MINOR "${LIBEV_VERSION_MINOR}")
+  set(LIBEV_VERSION "${LIBEV_VERSION_MAJOR}.${LIBEV_VERSION_MINOR}")
+  unset(LIBEV_VERSION_MINOR)
+  unset(LIBEV_VERSION_MAJOR)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBEV_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Libev REQUIRED_VARS
+                                  LIBEV_LIBRARY LIBEV_INCLUDE_DIR
+                                  VERSION_VAR LIBEV_VERSION)
+
+if(LIBEV_FOUND)
+  set(LIBEV_LIBRARIES     ${LIBEV_LIBRARY})
+  set(LIBEV_INCLUDE_DIRS  ${LIBEV_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(LIBEV_INCLUDE_DIR LIBEV_LIBRARY)

cmake/FindLibevent.cmake

@@ -0,0 +1,97 @@
+# - Try to find libevent
+#.rst
+# FindLibevent
+# ------------
+#
+# Find Libevent include directories and libraries. Invoke as::
+#
+#   find_package(Libevent
+#     [version] [EXACT]   # Minimum or exact version
+#     [REQUIRED]          # Fail if Libevent is not found
+#     [COMPONENT <C>...]) # Libraries to look for
+#
+# Valid components are one or more of:: libevent core extra pthreads openssl.
+# Note that 'libevent' contains both core and extra. You must specify one of
+# them for the other components.
+#
+# This module will define the following variables::
+#
+#  LIBEVENT_FOUND        - True if headers and requested libraries were found
+#  LIBEVENT_INCLUDE_DIRS - Libevent include directories
+#  LIBEVENT_LIBRARIES    - Libevent libraries to be linked
+#  LIBEVENT_<C>_FOUND    - Component <C> was found (<C> is uppercase)
+#  LIBEVENT_<C>_LIBRARY  - Library to be linked for Libevent component <C>.
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_LIBEVENT QUIET libevent)
+
+# Look for the Libevent 2.0 or 1.4 headers
+find_path(LIBEVENT_INCLUDE_DIR
+  NAMES
+    event2/event-config.h
+    event-config.h
+  HINTS
+    ${PC_LIBEVENT_INCLUDE_DIRS}
+)
+
+if(LIBEVENT_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+_EVENT_VERSION[ \t]+\"([^\"]+)\".*")
+  if(EXISTS "${LIBEVENT_INCLUDE_DIR}/event2/event-config.h")
+    # Libevent 2.0
+    file(STRINGS "${LIBEVENT_INCLUDE_DIR}/event2/event-config.h"
+      LIBEVENT_VERSION REGEX "${_version_regex}")
+    if("${LIBEVENT_VERSION}" STREQUAL "")
+      set(LIBEVENT_VERSION ${PC_LIBEVENT_VERSION})
+    endif()
+  else()
+    # Libevent 1.4
+    file(STRINGS "${LIBEVENT_INCLUDE_DIR}/event-config.h"
+      LIBEVENT_VERSION REGEX "${_version_regex}")
+  endif()
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    LIBEVENT_VERSION "${LIBEVENT_VERSION}")
+  unset(_version_regex)
+endif()
+
+set(_LIBEVENT_REQUIRED_VARS)
+foreach(COMPONENT ${Libevent_FIND_COMPONENTS})
+  set(_LIBEVENT_LIBNAME libevent)
+  # Note: compare two variables to avoid a CMP0054 policy warning
+  if(COMPONENT STREQUAL _LIBEVENT_LIBNAME)
+    set(_LIBEVENT_LIBNAME event)
+  else()
+    set(_LIBEVENT_LIBNAME "event_${COMPONENT}")
+  endif()
+  string(TOUPPER "${COMPONENT}" COMPONENT_UPPER)
+  find_library(LIBEVENT_${COMPONENT_UPPER}_LIBRARY
+    NAMES ${_LIBEVENT_LIBNAME}
+    HINTS ${PC_LIBEVENT_LIBRARY_DIRS}
+  )
+  if(LIBEVENT_${COMPONENT_UPPER}_LIBRARY)
+    set(Libevent_${COMPONENT}_FOUND 1)
+  endif()
+  list(APPEND _LIBEVENT_REQUIRED_VARS LIBEVENT_${COMPONENT_UPPER}_LIBRARY)
+endforeach()
+unset(_LIBEVENT_LIBNAME)
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set LIBEVENT_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Libevent REQUIRED_VARS
+                                  ${_LIBEVENT_REQUIRED_VARS}
+                                  LIBEVENT_INCLUDE_DIR
+                                  VERSION_VAR LIBEVENT_VERSION
+                                  HANDLE_COMPONENTS)
+
+if(LIBEVENT_FOUND)
+  set(LIBEVENT_INCLUDE_DIRS  ${LIBEVENT_INCLUDE_DIR})
+  set(LIBEVENT_LIBRARIES)
+  foreach(COMPONENT ${Libevent_FIND_COMPONENTS})
+    string(TOUPPER "${COMPONENT}" COMPONENT_UPPER)
+    list(APPEND LIBEVENT_LIBRARIES ${LIBEVENT_${COMPONENT_UPPER}_LIBRARY})
+    set(LIBEVENT_${COMPONENT_UPPER}_FOUND ${Libevent_${COMPONENT}_FOUND})
+  endforeach()
+endif()
+
+mark_as_advanced(LIBEVENT_INCLUDE_DIR ${_LIBEVENT_REQUIRED_VARS})
+unset(_LIBEVENT_REQUIRED_VARS)

cmake/FindSpdylay.cmake

@@ -0,0 +1,40 @@
+# - Try to find spdylay
+# Once done this will define
+#  SPDYLAY_FOUND        - System has spdylay
+#  SPDYLAY_INCLUDE_DIRS - The spdylay include directories
+#  SPDYLAY_LIBRARIES    - The libraries needed to use spdylay
+
+find_package(PkgConfig QUIET)
+pkg_check_modules(PC_SPDYLAY QUIET libspdylay)
+
+find_path(SPDYLAY_INCLUDE_DIR
+  NAMES spdylay/spdylay.h
+  HINTS ${PC_SPDYLAY_INCLUDE_DIRS}
+)
+find_library(SPDYLAY_LIBRARY
+  NAMES spdylay
+  HINTS ${PC_SPDYLAY_LIBRARY_DIRS}
+)
+
+if(SPDYLAY_INCLUDE_DIR)
+  set(_version_regex "^#define[ \t]+SPDYLAY_VERSION[ \t]+\"([^\"]+)\".*")
+  file(STRINGS "${SPDYLAY_INCLUDE_DIR}/spdylay/spdylayver.h"
+    SPDYLAY_VERSION REGEX "${_version_regex}")
+  string(REGEX REPLACE "${_version_regex}" "\\1"
+    SPDYLAY_VERSION "${SPDYLAY_VERSION}")
+  unset(_version_regex)
+endif()
+
+include(FindPackageHandleStandardArgs)
+# handle the QUIETLY and REQUIRED arguments and set SPDYLAY_FOUND to TRUE
+# if all listed variables are TRUE and the requested version matches.
+find_package_handle_standard_args(Spdylay REQUIRED_VARS
+                                  SPDYLAY_LIBRARY SPDYLAY_INCLUDE_DIR
+                                  VERSION_VAR SPDYLAY_VERSION)
+
+if(SPDYLAY_FOUND)
+  set(SPDYLAY_LIBRARIES     ${SPDYLAY_LIBRARY})
+  set(SPDYLAY_INCLUDE_DIRS  ${SPDYLAY_INCLUDE_DIR})
+endif()
+
+mark_as_advanced(SPDYLAY_INCLUDE_DIR SPDYLAY_LIBRARY)

cmake/Version.cmake

@@ -0,0 +1,11 @@
+# Converts a version such as 1.2.255 to 0x0102ff
+function(HexVersion version_hex_var major minor patch)
+  math(EXPR version_dec "${major} * 256 * 256 + ${minor} * 256 + ${patch}")
+  set(version_hex "0x")
+  foreach(i RANGE 5 0 -1)
+    math(EXPR num "(${version_dec} >> (4 * ${i})) & 15")
+    string(SUBSTRING "0123456789abcdef" ${num} 1 num_hex)
+    set(version_hex "${version_hex}${num_hex}")
+  endforeach()
+  set(${version_hex_var} "${version_hex}" PARENT_SCOPE)
+endfunction()

cmakeconfig.h.in

@@ -0,0 +1,83 @@
+/* Hint to the compiler that a function never returns */
+#define NGHTTP2_NORETURN @HINT_NORETURN@
+
+/* Define to `int' if <sys/types.h> does not define. */
+#cmakedefine ssize_t @ssize_t@
+
+/* Define to 1 if you have the `std::map::emplace`. */
+#cmakedefine HAVE_STD_MAP_EMPLACE 1
+
+/* Define to 1 if you have `libjansson` library. */
+#cmakedefine HAVE_JANSSON 1
+
+/* Define to 1 if you have `libxml2` library. */
+#cmakedefine HAVE_LIBXML2 1
+
+/* Define to 1 if you have `spdylay` library. */
+#cmakedefine HAVE_SPDYLAY 1
+
+/* Define to 1 if you have `mruby` library. */
+#cmakedefine HAVE_MRUBY 1
+
+/* Define to 1 if you have `neverbleed` library. */
+#cmakedefine HAVE_NEVERBLEED 1
+
+/* sizeof(int *) */
+#cmakedefine SIZEOF_INT_P   @SIZEOF_INT_P@
+
+/* sizeof(time_t) */
+#cmakedefine SIZEOF_TIME_T  @SIZEOF_TIME_T@
+
+/* Define to 1 if you have the `_Exit` function. */
+#cmakedefine HAVE__EXIT 1
+
+/* Define to 1 if you have the `accept4` function. */
+#cmakedefine HAVE_ACCEPT4 1
+
+/* Define to 1 if you have the `mkostemp` function. */
+#cmakedefine HAVE_MKOSTEMP 1
+
+/* Define to 1 if you have the `initgroups` function. */
+#cmakedefine01 HAVE_DECL_INITGROUPS
+
+/* Define to 1 to enable debug output. */
+#cmakedefine DEBUGBUILD 1
+
+/* Define to 1 if you want to disable threads. */
+#cmakedefine NOTHREADS 1
+
+/* Define to 1 if you have the <arpa/inet.h> header file. */
+#cmakedefine HAVE_ARPA_INET_H 1
+
+/* Define to 1 if you have the <fcntl.h> header file. */
+#cmakedefine HAVE_FCNTL_H 1
+
+/* Define to 1 if you have the <inttypes.h> header file. */
+#cmakedefine HAVE_INTTYPES_H 1
+
+/* Define to 1 if you have the <limits.h> header file. */
+#cmakedefine HAVE_LIMITS_H 1
+
+/* Define to 1 if you have the <netdb.h> header file. */
+#cmakedefine HAVE_NETDB_H 1
+
+/* Define to 1 if you have the <netinet/in.h> header file. */
+#cmakedefine HAVE_NETINET_IN_H 1
+
+/* Define to 1 if you have the <pwd.h> header file. */
+#cmakedefine HAVE_PWD_H 1
+
+/* Define to 1 if you have the <sys/socket.h> header file. */
+#cmakedefine HAVE_SYS_SOCKET_H 1
+
+/* Define to 1 if you have the <sys/time.h> header file. */
+#cmakedefine HAVE_SYS_TIME_H 1
+
+/* Define to 1 if you have the <syslog.h> header file. */
+#cmakedefine HAVE_SYSLOG_H 1
+
+/* Define to 1 if you have the <time.h> header file. */
+#cmakedefine HAVE_TIME_H 1
+
+/* Define to 1 if you have the <unistd.h> header file. */
+#cmakedefine HAVE_UNISTD_H 1

configure.ac

@@ -25,7 +25,7 @@ dnl Do not change user variables!
 dnl http://www.gnu.org/software/automake/manual/html_node/Flag-Variables-Ordering.html
 
 AC_PREREQ(2.61)
-AC_INIT([nghttp2], [1.3.2], [t-tujikawa@users.sourceforge.net])
+AC_INIT([nghttp2], [1.39.2], [t-tujikawa@users.sourceforge.net])
 AC_CONFIG_AUX_DIR([.])
 AC_CONFIG_MACRO_DIR([m4])
 AC_CONFIG_HEADERS([config.h])
@@ -40,15 +40,13 @@ AC_CANONICAL_TARGET
 
 AM_INIT_AUTOMAKE([subdir-objects])
 
-# AM_EXTRA_RECURSIVE_TARGETS requires automake 1.13 or higher
-m4_ifdef([AM_EXTRA_RECURSIVE_TARGETS], [AM_EXTRA_RECURSIVE_TARGETS([it itprep])])
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
 dnl See versioning rule:
 dnl  http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
-AC_SUBST(LT_CURRENT, 15)
-AC_SUBST(LT_REVISION, 2)
-AC_SUBST(LT_AGE, 1)
+AC_SUBST(LT_CURRENT, 32)
+AC_SUBST(LT_REVISION, 0)
+AC_SUBST(LT_AGE, 18)
 
 major=`echo $PACKAGE_VERSION |cut -d. -f1 | sed -e "s/[^0-9]//g"`
 minor=`echo $PACKAGE_VERSION |cut -d. -f2 | sed -e "s/[^0-9]//g"`
@@ -76,7 +74,7 @@ AC_ARG_ENABLE([threads],
 
 AC_ARG_ENABLE([app],
     [AS_HELP_STRING([--enable-app],
-                    [Build applications (nghttp, nghttpd and nghttpx) [default=check]])],
+                    [Build applications (nghttp, nghttpd, nghttpx and h2load) [default=check]])],
     [request_app=$enableval], [request_app=check])
 
 AC_ARG_ENABLE([hpack-tools],
@@ -104,6 +102,11 @@ AC_ARG_ENABLE([failmalloc],
                     [Do not build failmalloc test program])],
     [request_failmalloc=$enableval], [request_failmalloc=yes])
 
+AC_ARG_ENABLE([lib-only],
+    [AS_HELP_STRING([--enable-lib-only],
+                    [Build libnghttp2 only.  This is a short hand for --disable-app --disable-examples --disable-hpack-tools --disable-python-bindings])],
+    [request_lib_only=$enableval], [request_lib_only=no])
+
 AC_ARG_WITH([libxml2],
     [AS_HELP_STRING([--with-libxml2],
                     [Use libxml2 [default=check]])],
@@ -114,16 +117,21 @@ AC_ARG_WITH([jemalloc],
                     [Use jemalloc [default=check]])],
     [request_jemalloc=$withval], [request_jemalloc=check])
 
-AC_ARG_WITH([spdylay],
-    [AS_HELP_STRING([--with-spdylay],
-                    [Use spdylay [default=check]])],
-    [request_spdylay=$withval], [request_spdylay=check])
+AC_ARG_WITH([systemd],
+    [AS_HELP_STRING([--with-systemd],
+                    [Enable systemd support in nghttpx [default=check]])],
+    [request_systemd=$withval], [request_systemd=check])
 
 AC_ARG_WITH([mruby],
     [AS_HELP_STRING([--with-mruby],
                     [Use mruby [default=no]])],
     [request_mruby=$withval], [request_mruby=no])
 
+AC_ARG_WITH([neverbleed],
+    [AS_HELP_STRING([--with-neverbleed],
+                    [Use neverbleed [default=no]])],
+    [request_neverbleed=$withval], [request_neverbleed=no])
+
 AC_ARG_WITH([cython],
     [AS_HELP_STRING([--with-cython=PATH],
                     [Use cython in given PATH])],
@@ -145,6 +153,13 @@ PKG_PROG_PKG_CONFIG([0.20])
 
 AM_PATH_PYTHON([2.7],, [:])
 
+if [test "x$request_lib_only" = "xyes"]; then
+  request_app=no
+  request_hpack_tools=no
+  request_examples=no
+  request_python_bindings=no
+fi
+
 if [test "x$request_python_bindings" != "xno"]; then
   AX_PYTHON_DEVEL([>= '2.7'])
 fi
@@ -156,24 +171,26 @@ else
   AC_SUBST([CYTHON])
 fi
 
-#
-# If we're running GCC or clang define _U_ to be "__attribute__((unused))"
-# so we can use _U_ to flag unused function parameters and not get warnings
-# about them. Otherwise, define _U_ to be an empty string so that _U_ used
-# to flag an unused function parameters will compile with other compilers.
-#
-# XXX - similar hints for other compilers?
-#
 if test "x$GCC" = "xyes" -o "x$CC" = "xclang" ; then
-  AC_DEFINE([_U_], [__attribute__((unused))], [Hint to the compiler that a function parameters is not used])
+  AC_DEFINE([NGHTTP2_NORETURN], [__attribute__((noreturn))], [Hint to the compiler that a function never return])
 else
-  AC_DEFINE([_U_], , [Hint to the compiler that a function parameters is not used])
+  AC_DEFINE([NGHTTP2_NORETURN], , [Hint to the compiler that a function never return])
 fi
 
-AX_CXX_COMPILE_STDCXX_11([noext], [optional])
+save_CXXFLAGS="$CXXFLAGS"
+CXXFLAGS=
+
+AX_CXX_COMPILE_STDCXX([14], [noext], [optional])
+
+CXX1XCXXFLAGS="$CXXFLAGS"
+CXXFLAGS="$save_CXXFLAGS"
+AC_SUBST([CXX1XCXXFLAGS])
 
 AC_LANG_PUSH(C++)
 
+save_CXXFLAGS="$CXXFLAGS"
+CXXFLAGS="$CXXFLAGS $CXX1XCXXFLAGS"
+
 # Check that std::future is available.
 AC_MSG_CHECKING([whether std::future is available])
 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
@@ -207,6 +224,43 @@ std::map<int, int>().emplace(1, 2);
     [have_std_map_emplace=no
      AC_MSG_RESULT([no])])
 
+# Check that std::atomic_* overloads for std::shared_ptr are
+# available.
+AC_MSG_CHECKING([whether std::atomic_* overloads for std::shared_ptr are available])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+[[
+#include <memory>
+]],
+[[
+auto a = std::make_shared<int>(1000000007);
+auto p = std::atomic_load(&a);
+++*p;
+std::atomic_store(&a, p);
+]])],
+    [AC_DEFINE([HAVE_ATOMIC_STD_SHARED_PTR], [1],
+               [Define to 1 if you have the std::atomic_* overloads for std::shared_ptr.])
+     have_atomic_std_shared_ptr=yes
+     AC_MSG_RESULT([yes])],
+    [have_atomic_std_shared_ptr=no
+     AC_MSG_RESULT([no])])
+
+# Check that thread_local storage specifier is available
+AC_MSG_CHECKING([whether thread_local storage class specifier is available.])
+AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
+,
+[[
+thread_local int a = 0;
+(void)a;
+]])],
+    [AC_DEFINE([HAVE_THREAD_LOCAL], [1],
+               [Define to 1 if you have thread_local storage specifier.])
+     have_thread_local=yes
+     AC_MSG_RESULT([yes])],
+    [have_Thread_local=no
+     AC_MSG_RESULT([no])])
+
+CXXFLAGS=$save_CXXFLAGS
+
 AC_LANG_POP()
 
 # Checks for libraries.
@@ -217,7 +271,7 @@ TESTLDADD=
 # Additional libraries required for programs under src directory.
 APPLDFLAGS=
 
-case "$host" in
+case "$host_os" in
   *android*)
     android_build=yes
     # android does not need -pthread, but needs followng 3 libs for C++
@@ -229,6 +283,12 @@ case "$host" in
     ;;
 esac
 
+case "$host_os" in
+  *solaris*)
+    APPLDFLAGS="$APPLDFLAGS -lsocket -lnsl"
+    ;;
+esac
+
 # zlib
 PKG_CHECK_MODULES([ZLIB], [zlib >= 1.2.3], [have_zlib=yes], [have_zlib=no])
 
@@ -236,6 +296,18 @@ if test "x${have_zlib}" = "xno"; then
   AC_MSG_NOTICE($ZLIB_PKG_ERRORS)
 fi
 
+# dl: openssl requires libdl when it is statically linked.
+case "${host_os}" in
+  *bsd*)
+    # dlopen is in libc on *BSD
+    ;;
+  *)
+    save_LIBS=$LIBS
+    AC_SEARCH_LIBS([dlopen], [dl], [APPLDFLAGS="-ldl $APPLDFLAGS"], [], [])
+    LIBS=$save_LIBS
+    ;;
+esac
+
 # cunit
 PKG_CHECK_MODULES([CUNIT], [cunit >= 2.1], [have_cunit=yes], [have_cunit=no])
 # If pkg-config does not find cunit, check it using AC_CHECK_LIB.  We
@@ -267,7 +339,7 @@ AM_CONDITIONAL([HAVE_CUNIT], [ test "x${have_cunit}" = "xyes" ])
 
 # libev (for src)
 # libev does not have pkg-config file.  Check it in an old way.
-LIBS_OLD=$LIBS
+save_LIBS=$LIBS
 # android requires -lm for floor
 AC_CHECK_LIB([ev], [ev_time], [have_libev=yes], [have_libev=no], [-lm])
 if test "x${have_libev}" = "xyes"; then
@@ -279,7 +351,7 @@ if test "x${have_libev}" = "xyes"; then
     AC_SUBST([LIBEV_CFLAGS])
   fi
 fi
-LIBS=$LIBS_OLD
+LIBS=$save_LIBS
 
 # openssl (for src)
 PKG_CHECK_MODULES([OPENSSL], [openssl >= 1.0.1],
@@ -288,6 +360,13 @@ if test "x${have_openssl}" = "xno"; then
   AC_MSG_NOTICE($OPENSSL_PKG_ERRORS)
 fi
 
+# c-ares (for src)
+PKG_CHECK_MODULES([LIBCARES], [libcares >= 1.7.5], [have_libcares=yes],
+                  [have_libcares=no])
+if test "x${have_libcares}" = "xno"; then
+  AC_MSG_NOTICE($LIBCARES_PKG_ERRORS)
+fi
+
 # libevent_openssl (for examples)
 # 2.0.8 is required because we use evconnlistener_set_error_cb()
 PKG_CHECK_MODULES([LIBEVENT_OPENSSL], [libevent_openssl >= 2.0.8],
@@ -306,15 +385,34 @@ else
   AC_MSG_NOTICE($JANSSON_PKG_ERRORS)
 fi
 
-# libxml2 (for src/nghttp)
-have_libxml2=no
-if test "x${request_libxml2}" != "xno"; then
-  AM_PATH_XML2(2.7.7, [have_libxml2=yes], [have_libxml2=no])
-  if test "x${have_libxml2}" = "xyes"; then
-    AC_DEFINE([HAVE_LIBXML2], [1], [Define to 1 if you have `libxml2` library.])
+
+#  libsystemd (for src/nghttpx)
+have_libsystemd=no
+if test "x${request_systemd}" != "xno"; then
+  PKG_CHECK_MODULES([SYSTEMD], [libsystemd >= 209], [have_libsystemd=yes],
+                    [have_libsystemd=no])
+  if test "x${have_libsystemd}" = "xyes"; then
+    AC_DEFINE([HAVE_LIBSYSTEMD], [1],
+              [Define to 1 if you have `libsystemd` library.])
+  else
+    AC_MSG_NOTICE($SYSTEMD_PKG_ERRORS)
   fi
 fi
 
+if test "x${request_systemd}" = "xyes" &&
+   test "x${have_libsystemd}" != "xyes"; then
+  AC_MSG_ERROR([systemd was requested (--with-systemd) but not found])
+fi
+
+# libxml2 (for src/nghttp)
+PKG_CHECK_MODULES([LIBXML2], [libxml-2.0 >= 2.6.26],
+                  [have_libxml2=yes], [have_libxml2=no])
+if test "x${have_libxml2}" = "xyes"; then
+  AC_DEFINE([HAVE_LIBXML2], [1], [Define to 1 if you have `libxml2` library.])
+else
+  AC_MSG_NOTICE($LIBXML2_PKG_ERRORS)
+fi
+
 if test "x${request_libxml2}" = "xyes" &&
    test "x${have_libxml2}" != "xyes"; then
   AC_MSG_ERROR([libxml2 was requested (--with-libxml2) but not found])
@@ -325,10 +423,9 @@ AM_CONDITIONAL([HAVE_LIBXML2], [ test "x${have_libxml2}" = "xyes" ])
 # jemalloc
 have_jemalloc=no
 if test "x${request_jemalloc}" != "xno"; then
-  LIBS_OLD=$LIBS
+  save_LIBS=$LIBS
   AC_SEARCH_LIBS([malloc_stats_print], [jemalloc], [have_jemalloc=yes], [],
                  [$PTHREAD_LDFLAGS])
-  LIBS=$LIBS_OLD
 
   if test "x${have_jemalloc}" = "xyes"; then
     jemalloc_libs=${ac_cv_search_malloc_stats_print}
@@ -336,13 +433,14 @@ if test "x${request_jemalloc}" != "xno"; then
     # On Darwin, malloc_stats_print is je_malloc_stats_print
     AC_SEARCH_LIBS([je_malloc_stats_print], [jemalloc], [have_jemalloc=yes], [],
                    [$PTHREAD_LDFLAGS])
-    LIBS=$LIBS_OLD
 
     if test "x${have_jemalloc}" = "xyes"; then
       jemalloc_libs=${ac_cv_search_je_malloc_stats_print}
     fi
   fi
 
+  LIBS=$save_LIBS
+
   if test "x${have_jemalloc}" = "xyes" &&
      test "x${jemalloc_libs}" != "xnone required"; then
     JEMALLOC_LIBS=${jemalloc_libs}
@@ -355,40 +453,6 @@ if test "x${request_jemalloc}" = "xyes" &&
   AC_MSG_ERROR([jemalloc was requested (--with-jemalloc) but not found])
 fi
 
-# spdylay (for src/nghttpx and src/h2load)
-have_spdylay=no
-if test "x${request_spdylay}" != "xno"; then
-  PKG_CHECK_MODULES([LIBSPDYLAY], [libspdylay >= 1.3.2],
-                    [have_spdylay=yes], [have_spdylay=no])
-  if test "x${have_spdylay}" = "xyes"; then
-    AC_DEFINE([HAVE_SPDYLAY], [1], [Define to 1 if you have `spdylay` library.])
-  else
-    AC_MSG_NOTICE($LIBSPDYLAY_PKG_ERRORS)
-    AC_MSG_NOTICE([The SPDY support in nghttpx and h2load will be disabled.])
-  fi
-fi
-
-if test "x${request_spdylay}" = "xyes" &&
-   test "x${have_spdylay}" != "xyes"; then
-  AC_MSG_ERROR([spdylay was requested (--with-spdylay) but not found])
-fi
-
-AM_CONDITIONAL([HAVE_SPDYLAY], [ test "x${have_spdylay}" = "xyes" ])
-
-# mruby (for src/nghttpx)
-have_mruby=no
-if test "x${request_mruby}" = "xyes"; then
-  # We are going to build mruby
-  have_mruby=yes
-  AC_DEFINE([HAVE_MRUBY], [1], [Define to 1 if you have `mruby` library.])
-  LIBMRUBY_LIBS="-lmruby -lm"
-  LIBMRUBY_CFLAGS=
-  AC_SUBST([LIBMRUBY_LIBS])
-  AC_SUBST([LIBMRUBY_CFLAGS])
-fi
-
-AM_CONDITIONAL([HAVE_MRUBY], [test "x${have_mruby}" = "xyes"])
-
 # Check Boost Asio library
 have_asio_lib=no
 
@@ -408,13 +472,14 @@ if test "x${request_asio_lib}" = "xyes"; then
   fi
 fi
 
-# The nghttp, nghttpd and nghttpx under src depend on zlib, OpenSSL
-# and libev
+# The nghttp, nghttpd and nghttpx under src depend on zlib, OpenSSL,
+# libev, and libc-ares.
 enable_app=no
 if test "x${request_app}" != "xno" &&
    test "x${have_zlib}" = "xyes" &&
    test "x${have_openssl}" = "xyes" &&
-   test "x${have_libev}" = "xyes"; then
+   test "x${have_libev}" = "xyes" &&
+   test "x${have_libcares}" = "xyes"; then
   enable_app=yes
 fi
 
@@ -467,14 +532,35 @@ AM_CONDITIONAL([ENABLE_EXAMPLES], [ test "x${enable_examples}" = "xyes" ])
 # third-party only be built when needed
 
 enable_third_party=no
+have_mruby=no
+have_neverbleed=no
 if test "x${enable_examples}" = "xyes" ||
    test "x${enable_app}" = "xyes" ||
    test "x${enable_hpack_tools}" = "xyes" ||
    test "x${enable_asio_lib}" = "xyes"; then
   enable_third_party=yes
+
+  # mruby (for src/nghttpx)
+  if test "x${request_mruby}" = "xyes"; then
+    # We are going to build mruby
+    have_mruby=yes
+    AC_DEFINE([HAVE_MRUBY], [1], [Define to 1 if you have `mruby` library.])
+    LIBMRUBY_LIBS="-lmruby -lm"
+    LIBMRUBY_CFLAGS=
+    AC_SUBST([LIBMRUBY_LIBS])
+    AC_SUBST([LIBMRUBY_CFLAGS])
+  fi
+
+  # neverbleed (for src/nghttpx)
+  if test "x${request_neverbleed}" = "xyes"; then
+    have_neverbleed=yes
+    AC_DEFINE([HAVE_NEVERBLEED], [1], [Define to 1 if you have `neverbleed` library.])
+  fi
 fi
 
 AM_CONDITIONAL([ENABLE_THIRD_PARTY], [ test "x${enable_third_party}" = "xyes" ])
+AM_CONDITIONAL([HAVE_MRUBY], [test "x${have_mruby}" = "xyes"])
+AM_CONDITIONAL([HAVE_NEVERBLEED], [test "x${have_neverbleed}" = "xyes"])
 
 # Python bindings
 enable_python_bindings=no
@@ -548,6 +634,26 @@ AC_SYS_LARGEFILE
 AC_CHECK_MEMBER([struct tm.tm_gmtoff], [have_struct_tm_tm_gmtoff=yes],
                 [have_struct_tm_tm_gmtoff=no], [[#include <time.h>]])
 
+AC_CHECK_MEMBER([struct sockaddr_in.sin_len],
+                [AC_DEFINE([HAVE_SOCKADDR_IN_SIN_LEN],[1],
+                  [Define to 1 if struct sockaddr_in has sin_len member.])],
+                [],
+                [[
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+]])
+
+AC_CHECK_MEMBER([struct sockaddr_in6.sin6_len],
+                [AC_DEFINE([HAVE_SOCKADDR_IN6_SIN6_LEN],[1],
+                  [Define to 1 if struct sockaddr_in6 has sin6_len member.])],
+                [],
+                [[
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+]])
+
 if test "x$have_struct_tm_tm_gmtoff" = "xyes"; then
   AC_DEFINE([HAVE_STRUCT_TM_TM_GMTOFF], [1],
             [Define to 1 if you have `struct tm.tm_gmtoff` member.])
@@ -582,6 +688,7 @@ AC_CHECK_FUNCS([ \
   memchr \
   memmove \
   memset \
+  mkostemp \
   socket \
   sqrt \
   strchr \
@@ -599,18 +706,24 @@ AC_CHECK_FUNCS([ \
 AC_CHECK_FUNC([timerfd_create],
               [have_timerfd_create=yes], [have_timerfd_create=no])
 
+# For cygwin: we can link initgroups, so AC_CHECK_FUNCS succeeds, but
+# cygwin disables initgroups due to feature test macro magic with our
+# configuration.  FreeBSD declares initgroups() in unistd.h.
+AC_CHECK_DECLS([initgroups], [], [], [[
+  #ifdef HAVE_UNISTD_H
+  # include <unistd.h>
+  #endif
+  #include <grp.h>
+]])
 
-# Checks for epoll availability, primarily for examples/tiny-nghttpd
-AX_HAVE_EPOLL([have_epoll=yes], [have_epoll=no])
+save_CFLAGS=$CFLAGS
+save_CXXFLAGS=$CXXFLAGS
 
-AM_CONDITIONAL([ENABLE_TINY_NGHTTPD],
-               [ test "x${have_epoll}" = "xyes" &&
-                 test "x${have_timerfd_create}" = "xyes"])
-
-ac_save_CFLAGS=$CFLAGS
 CFLAGS=
+CXXFLAGS=
 
 if test "x$werror" != "xno"; then
+    # For C compiler
     AX_CHECK_COMPILE_FLAG([-Wall], [CFLAGS="$CFLAGS -Wall"])
     AX_CHECK_COMPILE_FLAG([-Wextra], [CFLAGS="$CFLAGS -Wextra"])
     AX_CHECK_COMPILE_FLAG([-Werror], [CFLAGS="$CFLAGS -Werror"])
@@ -638,14 +751,54 @@ if test "x$werror" != "xno"; then
     AX_CHECK_COMPILE_FLAG([-Wdiv-by-zero], [CFLAGS="$CFLAGS -Wdiv-by-zero"])
     AX_CHECK_COMPILE_FLAG([-Wshorten-64-to-32], [CFLAGS="$CFLAGS -Wshorten-64-to-32"])
 
+    AX_CHECK_COMPILE_FLAG([-Wconversion], [CFLAGS="$CFLAGS -Wconversion"])
+    AX_CHECK_COMPILE_FLAG([-Wextended-offsetof], [CFLAGS="$CFLAGS -Wextended-offsetof"])
+    AX_CHECK_COMPILE_FLAG([-Wformat-nonliteral], [CFLAGS="$CFLAGS -Wformat-nonliteral"])
+    AX_CHECK_COMPILE_FLAG([-Wlanguage-extension-token], [CFLAGS="$CFLAGS -Wlanguage-extension-token"])
+    AX_CHECK_COMPILE_FLAG([-Wmissing-field-initializers], [CFLAGS="$CFLAGS -Wmissing-field-initializers"])
+    AX_CHECK_COMPILE_FLAG([-Wmissing-noreturn], [CFLAGS="$CFLAGS -Wmissing-noreturn"])
+    AX_CHECK_COMPILE_FLAG([-Wmissing-variable-declarations], [CFLAGS="$CFLAGS -Wmissing-variable-declarations"])
+    # Not used because we cannot change public structs
+    # AX_CHECK_COMPILE_FLAG([-Wpadded], [CFLAGS="$CFLAGS -Wpadded"])
+    AX_CHECK_COMPILE_FLAG([-Wsign-conversion], [CFLAGS="$CFLAGS -Wsign-conversion"])
+    # Not used because this basically disallows default case
+    # AX_CHECK_COMPILE_FLAG([-Wswitch-enum], [CFLAGS="$CFLAGS -Wswitch-enum"])
+    AX_CHECK_COMPILE_FLAG([-Wunreachable-code-break], [CFLAGS="$CFLAGS -Wunreachable-code-break"])
+    AX_CHECK_COMPILE_FLAG([-Wunused-macros], [CFLAGS="$CFLAGS -Wunused-macros"])
+    AX_CHECK_COMPILE_FLAG([-Wunused-parameter], [CFLAGS="$CFLAGS -Wunused-parameter"])
+    AX_CHECK_COMPILE_FLAG([-Wredundant-decls], [CFLAGS="$CFLAGS -Wredundant-decls"])
     # Only work with Clang for the moment
     AX_CHECK_COMPILE_FLAG([-Wheader-guard], [CFLAGS="$CFLAGS -Wheader-guard"])
+    AX_CHECK_COMPILE_FLAG([-Wsometimes-uninitialized], [CFLAGS="$CFLAGS -Wsometimes-uninitialized"])
+
+    # This is required because we pass format string as "const char*.
+    AX_CHECK_COMPILE_FLAG([-Wno-format-nonliteral], [CFLAGS="$CFLAGS -Wno-format-nonliteral"])
+
+    # For C++ compiler
+    AC_LANG_PUSH(C++)
+    AX_CHECK_COMPILE_FLAG([-Wall], [CXXFLAGS="$CXXFLAGS -Wall"])
+    AX_CHECK_COMPILE_FLAG([-Werror], [CXXFLAGS="$CXXFLAGS -Werror"])
+    AX_CHECK_COMPILE_FLAG([-Wformat-security], [CXXFLAGS="$CXXFLAGS -Wformat-security"])
+    AX_CHECK_COMPILE_FLAG([-Wsometimes-uninitialized], [CXXFLAGS="$CXXFLAGS -Wsometimes-uninitialized"])
+    # Disable noexcept-type warning of g++-7.  This is not harmful as
+    # long as all source files are compiled with the same compiler.
+    AX_CHECK_COMPILE_FLAG([-Wno-noexcept-type], [CXXFLAGS="$CXXFLAGS -Wno-noexcept-type"])
+    AC_LANG_POP()
 fi
 
 WARNCFLAGS=$CFLAGS
-CFLAGS=$ac_save_CFLAGS
+WARNCXXFLAGS=$CXXFLAGS
+
+CFLAGS=$save_CFLAGS
+CXXFLAGS=$save_CXXFLAGS
 
 AC_SUBST([WARNCFLAGS])
+AC_SUBST([WARNCXXFLAGS])
+
+EXTRACFLAG=
+AX_CHECK_COMPILE_FLAG([-fvisibility=hidden], [EXTRACFLAG="-fvisibility=hidden"])
+
+AC_SUBST([EXTRACFLAG])
 
 if test "x$debug" != "xno"; then
     AC_DEFINE([DEBUGBUILD], [1], [Define to 1 to enable debug output.])
@@ -660,6 +813,9 @@ if test "x$threads" != "xyes" ||
     AC_DEFINE([NOTHREADS], [1], [Define to 1 if you want to disable threads.])
 fi
 
+# propagate $enable_static to tests/Makefile.am
+AM_CONDITIONAL([ENABLE_STATIC], [test "x$enable_static" = "xyes"])
+
 AC_SUBST([TESTLDADD])
 AC_SUBST([APPLDFLAGS])
 
@@ -706,20 +862,30 @@ AC_OUTPUT
 
 AC_MSG_NOTICE([summary of build options:
 
-    Version:        ${VERSION} shared $LT_CURRENT:$LT_REVISION:$LT_AGE
-    Host type:      ${host}
-    Install prefix: ${prefix}
-    C compiler:     ${CC}
-    CFLAGS:         ${CFLAGS}
-    WARNCFLAGS:     ${WARNCFLAGS}
-    LDFLAGS:        ${LDFLAGS}
-    LIBS:           ${LIBS}
-    CPPFLAGS:       ${CPPFLAGS}
-    C preprocessor: ${CPP}
-    C++ compiler:   ${CXX}
-    CXXFLAGS:       ${CXXFLAGS}
-    CXXCPP:         ${CXXCPP}
-    Library types:  Shared=${enable_shared}, Static=${enable_static}
+    Package version: ${VERSION}
+    Library version: $LT_CURRENT:$LT_REVISION:$LT_AGE
+    Install prefix:  ${prefix}
+    System types:
+      Build:         ${build}
+      Host:          ${host}
+      Target:        ${target}
+    Compiler:
+      C compiler:     ${CC}
+      CFLAGS:         ${CFLAGS}
+      LDFLAGS:        ${LDFLAGS}
+      C++ compiler:   ${CXX}
+      CXXFLAGS:       ${CXXFLAGS}
+      CXXCPP:         ${CXXCPP}
+      C preprocessor: ${CPP}
+      CPPFLAGS:       ${CPPFLAGS}
+      WARNCFLAGS:     ${WARNCFLAGS}
+      WARNCXXFLAGS:   ${WARNCXXFLAGS}
+      CXX1XCXXFLAGS:  ${CXX1XCXXFLAGS}
+      EXTRACFLAG:     ${EXTRACFLAG}
+      LIBS:           ${LIBS}
+    Library:
+      Shared:         ${enable_shared}
+      Static:         ${enable_static}
     Python:
       Python:         ${PYTHON}
       PYTHON_VERSION: ${PYTHON_VERSION}
@@ -729,23 +895,27 @@ AC_MSG_NOTICE([summary of build options:
       PYTHON_LDFLAGS: ${PYTHON_LDFLAGS}
       Cython:         ${CYTHON}
     Test:
-      CUnit:          ${have_cunit}
+      CUnit:          ${have_cunit} (CFLAGS='${CUNIT_CFLAGS}' LIBS='${CUNIT_LIBS}')
       Failmalloc:     ${enable_failmalloc}
     Libs:
-      OpenSSL:        ${have_openssl}
-      Libxml2:        ${have_libxml2}
-      Libev:          ${have_libev}
-      Libevent(SSL):  ${have_libevent_openssl}
-      Spdylay:        ${have_spdylay}
-      MRuby:          ${have_mruby}
-      Jansson:        ${have_jansson}
-      Jemalloc:       ${have_jemalloc}
-      Zlib:           ${have_zlib}
+      OpenSSL:        ${have_openssl} (CFLAGS='${OPENSSL_CFLAGS}' LIBS='${OPENSSL_LIBS}')
+      Libxml2:        ${have_libxml2} (CFLAGS='${LIBXML2_CFLAGS}' LIBS='${LIBXML2_LIBS}')
+      Libev:          ${have_libev} (CFLAGS='${LIBEV_CFLAGS}' LIBS='${LIBEV_LIBS}')
+      Libc-ares:      ${have_libcares} (CFLAGS='${LIBCARES_CFLAGS}' LIBS='${LIBCARES_LIBS}')
+      Libevent(SSL):  ${have_libevent_openssl} (CFLAGS='${LIBEVENT_OPENSSL_CFLAGS}' LIBS='${LIBEVENT_OPENSSL_LIBS}')
+      Jansson:        ${have_jansson} (CFLAGS='${JANSSON_CFLAGS}' LIBS='${JANSSON_LIBS}')
+      Jemalloc:       ${have_jemalloc} (LIBS='${JEMALLOC_LIBS}')
+      Zlib:           ${have_zlib} (CFLAGS='${ZLIB_CFLAGS}' LIBS='${ZLIB_LIBS}')
+      Systemd:        ${have_libsystemd} (CFLAGS='${SYSTEMD_CFLAGS}' LIBS='${SYSTEMD_LIBS}')
       Boost CPPFLAGS: ${BOOST_CPPFLAGS}
       Boost LDFLAGS:  ${BOOST_LDFLAGS}
       Boost::ASIO:    ${BOOST_ASIO_LIB}
       Boost::System:  ${BOOST_SYSTEM_LIB}
       Boost::Thread:  ${BOOST_THREAD_LIB}
+    Third-party:
+      http-parser:    ${enable_third_party}
+      MRuby:          ${have_mruby} (CFLAGS='${LIBMRUBY_CFLAGS}' LIBS='${LIBMRUBY_LIBS}')
+      Neverbleed:     ${have_neverbleed}
     Features:
       Applications:   ${enable_app}
       HPACK tools:    ${enable_hpack_tools}
@@ -753,5 +923,4 @@ AC_MSG_NOTICE([summary of build options:
       Examples:       ${enable_examples}
       Python bindings:${enable_python_bindings}
       Threading:      ${enable_threads}
-      Third-party:    ${enable_third_party}
 ])

contrib/CMakeLists.txt

@@ -0,0 +1,12 @@
+set(CONFIGFILES
+  nghttpx-init
+  nghttpx.service
+  nghttpx-upstart.conf
+)
+
+# Note that the execute permissions of nghttpx-init is preserved
+foreach(name IN LISTS CONFIGFILES)
+  configure_file("${name}.in" "${name}" @ONLY)
+endforeach()
+
+# set(EXTRA_DIST ${CONFIGFILES} nghttpx-logrotate tlsticketupdate.go)

contrib/Makefile.am

@@ -23,17 +23,24 @@
 
 configfiles = nghttpx-init nghttpx.service nghttpx-upstart.conf
 
-EXTRA_DIST = $(configfiles:%=%.in) nghttpx-logrotate tlsticketupdate.go
+EXTRA_DIST = \
+	CMakeLists.txt \
+	$(configfiles:%=%.in) \
+	nghttpx-logrotate \
+	tlsticketupdate.go
 
 edit = sed -e 's|@bindir[@]|$(bindir)|g'
 
-nghttpx-init: %: $(srcdir)/%.in
+nghttpx-init: $(srcdir)/nghttpx-init.in
 	rm -f $@ $@.tmp
 	$(edit) $< > $@.tmp
 	chmod +x $@.tmp
 	mv $@.tmp $@
 
-nghttpx.service nghttpx-upstart.conf: %: $(srcdir)/%.in
+nghttpx.service: $(srcdir)/nghttpx.service.in
+	$(edit) $< > $@
+
+nghttpx-upstart.conf: $(srcdir)/nghttpx-upstart.conf.in
 	$(edit) $< > $@
 
 $(configfiles): Makefile

contrib/nghttpx-init.in

@@ -83,19 +83,6 @@ do_stop()
 	return "$RETVAL"
 }
 
-#
-# Function that sends a SIGHUP to the daemon/service
-#
-do_reload() {
-	#
-	# If the daemon can reload its configuration without
-	# restarting (for example, when it is sent a SIGHUP),
-	# then implement that here.
-	#
-	start-stop-daemon --stop --signal 1 --quiet --pidfile $PIDFILE --name $NAME
-	return 0
-}
-
 case "$1" in
   start)
 	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME"
@@ -114,34 +101,38 @@ case "$1" in
 	esac
 	;;
   status)
-       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
-       ;;
+	status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
+	;;
   upgrade)
-        log_daemon_msg "Upgrade $DESC" "$NAME"
-        pid=`pidofproc -p $PIDFILE $NAME`
-        case "$?" in
-                0) echo "Sending USR2 signal to $pid"
-                   kill -USR2 $pid
-                   echo "Waiting for new binary..."
-                   sleep 5
-                   echo "Sending QUIT signal to $pid"
-                   kill -QUIT $pid
-                   log_end_msg 0
-                   ;;
-                *) echo "pidofproc() failed"
-                   log_end_msg 1
-                   ;;
-        esac
-        ;;
-  #reload|force-reload)
-	#
-	# If do_reload() is not implemented then leave this commented out
-	# and leave 'force-reload' as an alias for 'restart'.
-	#
-	#log_daemon_msg "Reloading $DESC" "$NAME"
-	#do_reload
-	#log_end_msg $?
-	#;;
+	log_daemon_msg "Upgrading $DESC" "$NAME"
+	oldpid=`pidofproc -p $PIDFILE $NAME`
+	case "$?" in
+		0)
+			log_progress_msg "Sending SIGUSR2 to $oldpid..."
+			kill -USR2 $oldpid
+			log_progress_msg "Waiting for new binary..."
+			for i in 1 2 3 4 5 ; do
+				sleep 1
+				newpid=`pidofproc -p $PIDFILE $NAME`
+				if [ "$newpid" != "$oldpid" ] ; then
+					break
+				fi
+			done
+			if [ "$newpid" != "$oldpid" ] ; then
+				log_progress_msg "Sending SIGQUIT to $oldpid..."
+				kill -QUIT $oldpid
+				log_end_msg 0
+			else
+				log_progress_msg "New binary failed to start"
+				log_end_msg 1
+			fi
+			;;
+		*)
+			log_progress_msg "pidofproc() failed"
+			log_end_msg 1
+		;;
+	esac
+	;;
   restart|force-reload)
 	#
 	# If the "reload" option is implemented then remove the

contrib/nghttpx-logrotate

@@ -6,6 +6,6 @@
   delaycompress
   notifempty
   postrotate
-    killall -USR1 nghttpx 2> /dev/null || true
+    [ -s /var/run/nghttpx.pid ] && kill -USR1 `cat /var/run/nghttpx.pid` 2> /dev/null || true
   endscript
 }

contrib/nghttpx.service.in

@@ -1,10 +1,17 @@
 [Unit]
-Description=HTTP/2 experimental proxy
+Description=HTTP/2 proxy
+Documentation=man:nghttpx
 After=network.target
 
 [Service]
-Type=simple
-ExecStart=@bindir@/nghttpx --errorlog-syslog
+Type=notify
+ExecStart=@bindir@/nghttpx --conf=/etc/nghttpx/nghttpx.conf
+ExecReload=/bin/kill --signal HUP $MAINPID
+KillSignal=SIGQUIT
+PrivateTmp=yes
+ProtectHome=yes
+ProtectSystem=full
+Restart=always
 
 [Install]
 WantedBy=multi-user.target

contrib/usr.sbin.nghttpx

@@ -0,0 +1,16 @@
+#include <tunables/global>
+
+/usr/sbin/nghttpx {
+  #include <abstractions/base>
+  #include <abstractions/nameservice>
+  #include <abstractions/openssl>
+
+  capability setgid,
+  capability setuid,
+
+  /usr/sbin/nghttpx rmix,      # allow to run itself
+  /etc/nghttpx/nghttpx.conf r, # allow to read the config file
+  /etc/ssl/** r,               # give access to ssl keys
+
+  /{,var/}run/nghttpx.pid lw,  # allow to store a pid file
+}

doc/CMakeLists.txt

@@ -0,0 +1,353 @@
+# Generated documents
+set(APIDOCS
+  macros.rst
+  enums.rst
+  types.rst
+  nghttp2_check_header_name.rst
+  nghttp2_check_header_value.rst
+  nghttp2_hd_deflate_bound.rst
+  nghttp2_hd_deflate_change_table_size.rst
+  nghttp2_hd_deflate_del.rst
+  nghttp2_hd_deflate_get_dynamic_table_size.rst
+  nghttp2_hd_deflate_get_max_dynamic_table_size.rst
+  nghttp2_hd_deflate_get_num_table_entries.rst
+  nghttp2_hd_deflate_get_table_entry.rst
+  nghttp2_hd_deflate_hd.rst
+  nghttp2_hd_deflate_hd_vec.rst
+  nghttp2_hd_deflate_new.rst
+  nghttp2_hd_deflate_new2.rst
+  nghttp2_hd_inflate_change_table_size.rst
+  nghttp2_hd_inflate_del.rst
+  nghttp2_hd_inflate_end_headers.rst
+  nghttp2_hd_inflate_get_dynamic_table_size.rst
+  nghttp2_hd_inflate_get_max_dynamic_table_size.rst
+  nghttp2_hd_inflate_get_num_table_entries.rst
+  nghttp2_hd_inflate_get_table_entry.rst
+  nghttp2_hd_inflate_hd.rst
+  nghttp2_hd_inflate_hd2.rst
+  nghttp2_hd_inflate_new.rst
+  nghttp2_hd_inflate_new2.rst
+  nghttp2_http2_strerror.rst
+  nghttp2_is_fatal.rst
+  nghttp2_nv_compare_name.rst
+  nghttp2_option_del.rst
+  nghttp2_option_new.rst
+  nghttp2_option_set_builtin_recv_extension_type.rst
+  nghttp2_option_set_max_deflate_dynamic_table_size.rst
+  nghttp2_option_set_max_reserved_remote_streams.rst
+  nghttp2_option_set_max_send_header_block_length.rst
+  nghttp2_option_set_no_auto_ping_ack.rst
+  nghttp2_option_set_no_auto_window_update.rst
+  nghttp2_option_set_no_http_messaging.rst
+  nghttp2_option_set_no_recv_client_magic.rst
+  nghttp2_option_set_peer_max_concurrent_streams.rst
+  nghttp2_option_set_user_recv_extension_type.rst
+  nghttp2_pack_settings_payload.rst
+  nghttp2_priority_spec_check_default.rst
+  nghttp2_priority_spec_default_init.rst
+  nghttp2_priority_spec_init.rst
+  nghttp2_rcbuf_decref.rst
+  nghttp2_rcbuf_get_buf.rst
+  nghttp2_rcbuf_incref.rst
+  nghttp2_rcbuf_is_static.rst
+  nghttp2_select_next_protocol.rst
+  nghttp2_session_callbacks_del.rst
+  nghttp2_session_callbacks_new.rst
+  nghttp2_session_callbacks_set_before_frame_send_callback.rst
+  nghttp2_session_callbacks_set_data_source_read_length_callback.rst
+  nghttp2_session_callbacks_set_error_callback.rst
+  nghttp2_session_callbacks_set_on_begin_frame_callback.rst
+  nghttp2_session_callbacks_set_on_begin_headers_callback.rst
+  nghttp2_session_callbacks_set_on_data_chunk_recv_callback.rst
+  nghttp2_session_callbacks_set_on_extension_chunk_recv_callback.rst
+  nghttp2_session_callbacks_set_on_frame_not_send_callback.rst
+  nghttp2_session_callbacks_set_on_frame_recv_callback.rst
+  nghttp2_session_callbacks_set_on_frame_send_callback.rst
+  nghttp2_session_callbacks_set_on_header_callback.rst
+  nghttp2_session_callbacks_set_on_header_callback2.rst
+  nghttp2_session_callbacks_set_on_invalid_frame_recv_callback.rst
+  nghttp2_session_callbacks_set_on_invalid_header_callback.rst
+  nghttp2_session_callbacks_set_on_invalid_header_callback2.rst
+  nghttp2_session_callbacks_set_on_stream_close_callback.rst
+  nghttp2_session_callbacks_set_pack_extension_callback.rst
+  nghttp2_session_callbacks_set_recv_callback.rst
+  nghttp2_session_callbacks_set_select_padding_callback.rst
+  nghttp2_session_callbacks_set_send_callback.rst
+  nghttp2_session_callbacks_set_send_data_callback.rst
+  nghttp2_session_callbacks_set_unpack_extension_callback.rst
+  nghttp2_session_change_stream_priority.rst
+  nghttp2_session_check_request_allowed.rst
+  nghttp2_session_check_server_session.rst
+  nghttp2_session_client_new.rst
+  nghttp2_session_client_new2.rst
+  nghttp2_session_client_new3.rst
+  nghttp2_session_consume.rst
+  nghttp2_session_consume_connection.rst
+  nghttp2_session_consume_stream.rst
+  nghttp2_session_create_idle_stream.rst
+  nghttp2_session_del.rst
+  nghttp2_session_find_stream.rst
+  nghttp2_session_get_effective_local_window_size.rst
+  nghttp2_session_get_effective_recv_data_length.rst
+  nghttp2_session_get_hd_deflate_dynamic_table_size.rst
+  nghttp2_session_get_hd_inflate_dynamic_table_size.rst
+  nghttp2_session_get_last_proc_stream_id.rst
+  nghttp2_session_get_local_settings.rst
+  nghttp2_session_get_local_window_size.rst
+  nghttp2_session_get_next_stream_id.rst
+  nghttp2_session_get_outbound_queue_size.rst
+  nghttp2_session_get_remote_settings.rst
+  nghttp2_session_get_remote_window_size.rst
+  nghttp2_session_get_root_stream.rst
+  nghttp2_session_get_stream_effective_local_window_size.rst
+  nghttp2_session_get_stream_effective_recv_data_length.rst
+  nghttp2_session_get_stream_local_close.rst
+  nghttp2_session_get_stream_local_window_size.rst
+  nghttp2_session_get_stream_remote_close.rst
+  nghttp2_session_get_stream_remote_window_size.rst
+  nghttp2_session_get_stream_user_data.rst
+  nghttp2_session_mem_recv.rst
+  nghttp2_session_mem_send.rst
+  nghttp2_session_recv.rst
+  nghttp2_session_resume_data.rst
+  nghttp2_session_send.rst
+  nghttp2_session_server_new.rst
+  nghttp2_session_server_new2.rst
+  nghttp2_session_server_new3.rst
+  nghttp2_session_set_local_window_size.rst
+  nghttp2_session_set_next_stream_id.rst
+  nghttp2_session_set_stream_user_data.rst
+  nghttp2_session_terminate_session.rst
+  nghttp2_session_terminate_session2.rst
+  nghttp2_session_upgrade.rst
+  nghttp2_session_upgrade2.rst
+  nghttp2_session_want_read.rst
+  nghttp2_session_want_write.rst
+  nghttp2_set_debug_vprintf_callback.rst
+  nghttp2_stream_get_first_child.rst
+  nghttp2_stream_get_next_sibling.rst
+  nghttp2_stream_get_parent.rst
+  nghttp2_stream_get_previous_sibling.rst
+  nghttp2_stream_get_state.rst
+  nghttp2_stream_get_sum_dependency_weight.rst
+  nghttp2_stream_get_weight.rst
+  nghttp2_strerror.rst
+  nghttp2_submit_altsvc.rst
+  nghttp2_submit_data.rst
+  nghttp2_submit_extension.rst
+  nghttp2_submit_goaway.rst
+  nghttp2_submit_headers.rst
+  nghttp2_submit_ping.rst
+  nghttp2_submit_priority.rst
+  nghttp2_submit_push_promise.rst
+  nghttp2_submit_request.rst
+  nghttp2_submit_response.rst
+  nghttp2_submit_rst_stream.rst
+  nghttp2_submit_settings.rst
+  nghttp2_submit_shutdown_notice.rst
+  nghttp2_submit_trailer.rst
+  nghttp2_submit_window_update.rst
+  nghttp2_version.rst
+)
+
+set(MAN_PAGES
+  nghttp.1
+  nghttpd.1
+  nghttpx.1
+  h2load.1
+)
+
+# Other .rst files from the source tree that need to be copied
+# XXX move them to sources/ and create .in files?
+set(RST_FILES
+  README.rst
+  programmers-guide.rst
+  nghttp.1.rst
+  nghttpd.1.rst
+  nghttpx.1.rst
+  h2load.1.rst
+)
+
+# XXX unused for now
+set(EXTRA_DIST
+  mkapiref.py
+  ${RST_FILES}
+  ${APIDOCS}
+  sources/index.rst
+  sources/tutorial-client.rst
+  sources/tutorial-server.rst
+  sources/tutorial-hpack.rst
+  sources/nghttpx-howto.rst
+  sources/h2load-howto.rst
+  sources/libnghttp2_asio.rst
+  sources/python-apiref.rst
+  sources/building-android-binary.rst
+  sources/contribute.rst
+  _exts/sphinxcontrib/LICENSE.rubydomain
+  _exts/sphinxcontrib/__init__.py
+  _exts/sphinxcontrib/rubydomain.py
+  _themes/sphinx_rtd_theme/__init__.py
+  _themes/sphinx_rtd_theme/breadcrumbs.html
+  _themes/sphinx_rtd_theme/footer.html
+  _themes/sphinx_rtd_theme/layout.html
+  _themes/sphinx_rtd_theme/layout_old.html
+  _themes/sphinx_rtd_theme/search.html
+  _themes/sphinx_rtd_theme/searchbox.html
+  _themes/sphinx_rtd_theme/static/css/badge_only.css
+  _themes/sphinx_rtd_theme/static/css/theme.css
+  _themes/sphinx_rtd_theme/static/fonts/FontAwesome.otf
+  _themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.eot
+  _themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.svg
+  _themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.ttf
+  _themes/sphinx_rtd_theme/static/fonts/fontawesome-webfont.woff
+  _themes/sphinx_rtd_theme/static/js/theme.js
+  _themes/sphinx_rtd_theme/theme.conf
+  _themes/sphinx_rtd_theme/versions.html
+  ${MAN_PAGES}
+  bash_completion/nghttp
+  bash_completion/nghttpd
+  bash_completion/nghttpx
+  bash_completion/h2load
+)
+
+# Based on Makefile for Sphinx documentation
+
+# You can set these variables from the command line.
+set(SPHINXOPTS)
+set(SPHINXBUILD sphinx-build)
+set(PAPER)
+set(BUILDDIR    manual)
+
+# Internal variables.
+set(PAPEROPT_a4     -D latex_paper_size=a4)
+set(PAPEROPT_letter -D latex_paper_size=letter)
+set(ALLSPHINXOPTS   -d ${BUILDDIR}/doctrees ${PAPEROPT_${PAPER}} ${SPHINXOPTS} .)
+
+# "Please use `make <target>' where <target> is one of"
+# "  html       to make standalone HTML files"
+# "  dirhtml    to make HTML files named index.html in directories"
+# "  singlehtml to make a single large HTML file"
+# "  pickle     to make pickle files"
+# "  json       to make JSON files"
+# "  htmlhelp   to make HTML files and a HTML help project"
+# "  qthelp     to make HTML files and a qthelp project"
+# "  devhelp    to make HTML files and a Devhelp project"
+# "  epub       to make an epub"
+# "  latex      to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
+# "  latexpdf   to make LaTeX files and run them through pdflatex"
+# "  text       to make text files"
+# "  man        to make manual pages"
+# "  changes    to make an overview of all changed/added/deprecated items"
+# "  linkcheck  to check all external links for integrity"
+# "  doctest    to run all doctests embedded in the documentation (if enabled)"
+
+
+# Copy files for out-of-tree builds
+if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
+  set(RST_BUILD_FILES)
+  foreach(rstfile IN LISTS RST_FILES)
+    set(outfile "${CMAKE_CURRENT_BINARY_DIR}/${rstfile}")
+    add_custom_command(OUTPUT "${outfile}"
+      COMMAND ${CMAKE_COMMAND} -E copy
+              "${CMAKE_CURRENT_SOURCE_DIR}/${rstfile}" "${outfile}"
+      DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/${rstfile}"
+    )
+    list(APPEND RST_BUILD_FILES "${outfile}")
+  endforeach()
+else()
+  set(RST_BUILD_FILES "${RST_FILES}")
+endif()
+
+set(apiref_SOURCES
+  ${CMAKE_BINARY_DIR}/lib/includes/nghttp2/nghttp2ver.h
+  ${CMAKE_SOURCE_DIR}/lib/includes/nghttp2/nghttp2.h
+)
+# Generates apiref.rst and other files
+add_custom_command(
+  OUTPUT
+    apiref.rst
+    ${APIDOCS}
+  COMMAND
+    "${PYTHON_EXECUTABLE}" "${CMAKE_CURRENT_SOURCE_DIR}/mkapiref.py"
+    apiref.rst macros.rst enums.rst types.rst .
+    ${apiref_SOURCES}
+  DEPENDS
+    ${RST_BUILD_FILES}
+    ${apiref_SOURCES}
+)
+
+
+
+set_directory_properties(PROPERTIES ADDITIONAL_MAKE_CLEAN_FILES "${BUILDDIR}")
+
+# Invokes sphinx-build and prints the given messages when completed
+function(sphinxbuild builder)
+  set(echo_commands)
+  foreach(message IN LISTS ARGN)
+    list(APPEND echo_commands COMMAND ${CMAKE_COMMAND} -E echo "${message}")
+  endforeach()
+  add_custom_target(${builder}
+    COMMAND "${SPHINXBUILD}" -b ${builder} ${ALLSPHINXOPTS} "${BUILDDIR}/${builder}"
+    COMMAND ${CMAKE_COMMAND} -E echo
+    ${echo_commands}
+    VERBATIM
+    DEPENDS apiref.rst
+  )
+endfunction()
+
+foreach(builder html dirhtml singlehtml)
+  sphinxbuild(${builder}
+    "Build finished. The HTML pages are in ${BUILDDIR}/${builder}.")
+endforeach()
+sphinxbuild(pickle  "Build finished; now you can process the pickle files.")
+sphinxbuild(json    "Build finished; now you can process the JSON files.")
+sphinxbuild(htmlhelp
+  "Build finished; now you can run HTML Help Workshop with the"
+  ".hhp project file in ${BUILDDIR}/htmlhelp."
+)
+sphinxbuild(qthelp
+  "Build finished; now you can run \"qcollectiongenerator\" with the"
+  ".qhcp project file in ${BUILDDIR}/qthelp, like this:"
+  "# qcollectiongenerator ${BUILDDIR}/qthelp/nghttp2.qhcp"
+  "To view the help file:"
+  "# assistant -collectionFile ${BUILDDIR}/qthelp/nghttp2.qhc"
+)
+sphinxbuild(devhelp
+  "Build finished."
+  "To view the help file:"
+  "# mkdir -p ~/.local/share/devhelp/nghttp2"
+  "# ln -s ${BUILDDIR}/devhelp ~/.local/share/devhelp/nghttp2"
+  "# devhelp"
+)
+sphinxbuild(epub    "Build finished. The epub file is in ${BUILDDIR}/epub.")
+sphinxbuild(latex
+  "Build finished; the LaTeX files are in ${BUILDDIR}/latex."
+  "Run `make' in that directory to run these through (pdf)latex"
+  "(use `make latexpdf' here to do that automatically)."
+)
+
+# Invoke the Makefile generated by sphinx
+add_custom_target(latexpdf
+  COMMAND ${CMAKE_COMMAND} -E echo "Running LaTeX files through pdflatex..."
+  COMMAND make -C "${BUILDDIR}/latex" all-pdf
+  COMMAND ${CMAKE_COMMAND} -E echo "pdflatex finished; the PDF files are in ${BUILDDIR}/latex."
+  DEPENDS latex
+)
+
+sphinxbuild(text    "Build finished. The text files are in ${BUILDDIR}/text.")
+sphinxbuild(man     "Build finished. The manual pages are in ${BUILDDIR}/man.")
+sphinxbuild(changes "The overview file is in ${BUILDDIR}/changes.")
+sphinxbuild(linkcheck
+  "Link check complete; look for any errors in the above output"
+  "or in ${BUILDDIR}/linkcheck/output.txt."
+)
+sphinxbuild(doctest
+  "Testing of doctests in the sources finished, look at the"
+  "results in ${BUILDDIR}/doctest/output.txt."
+)
+
+foreach(_man_page IN LISTS MAN_PAGES)
+  install(FILES ${_man_page}
+    DESTINATION "${CMAKE_INSTALL_MANDIR}/man1"
+  )
+endforeach()

doc/Makefile.am

@@ -32,57 +32,95 @@ APIDOCS= \
 	nghttp2_hd_deflate_bound.rst \
 	nghttp2_hd_deflate_change_table_size.rst \
 	nghttp2_hd_deflate_del.rst \
+	nghttp2_hd_deflate_get_dynamic_table_size.rst \
+	nghttp2_hd_deflate_get_max_dynamic_table_size.rst \
+	nghttp2_hd_deflate_get_num_table_entries.rst \
+	nghttp2_hd_deflate_get_table_entry.rst \
 	nghttp2_hd_deflate_hd.rst \
+	nghttp2_hd_deflate_hd_vec.rst \
 	nghttp2_hd_deflate_new.rst \
 	nghttp2_hd_deflate_new2.rst \
 	nghttp2_hd_inflate_change_table_size.rst \
 	nghttp2_hd_inflate_del.rst \
 	nghttp2_hd_inflate_end_headers.rst \
+	nghttp2_hd_inflate_get_dynamic_table_size.rst \
+	nghttp2_hd_inflate_get_max_dynamic_table_size.rst \
+	nghttp2_hd_inflate_get_num_table_entries.rst \
+	nghttp2_hd_inflate_get_table_entry.rst \
 	nghttp2_hd_inflate_hd.rst \
+	nghttp2_hd_inflate_hd2.rst \
 	nghttp2_hd_inflate_new.rst \
 	nghttp2_hd_inflate_new2.rst \
+	nghttp2_http2_strerror.rst \
 	nghttp2_is_fatal.rst \
 	nghttp2_nv_compare_name.rst \
 	nghttp2_option_del.rst \
 	nghttp2_option_new.rst \
+	nghttp2_option_set_builtin_recv_extension_type.rst \
+	nghttp2_option_set_max_deflate_dynamic_table_size.rst \
 	nghttp2_option_set_max_reserved_remote_streams.rst \
+	nghttp2_option_set_max_send_header_block_length.rst \
+	nghttp2_option_set_no_auto_ping_ack.rst \
 	nghttp2_option_set_no_auto_window_update.rst \
+	nghttp2_option_set_no_closed_streams.rst \
 	nghttp2_option_set_no_http_messaging.rst \
 	nghttp2_option_set_no_recv_client_magic.rst \
 	nghttp2_option_set_peer_max_concurrent_streams.rst \
+	nghttp2_option_set_user_recv_extension_type.rst \
+	nghttp2_option_set_max_outbound_ack.rst \
 	nghttp2_pack_settings_payload.rst \
 	nghttp2_priority_spec_check_default.rst \
 	nghttp2_priority_spec_default_init.rst \
 	nghttp2_priority_spec_init.rst \
+	nghttp2_rcbuf_decref.rst \
+	nghttp2_rcbuf_get_buf.rst \
+	nghttp2_rcbuf_incref.rst \
+	nghttp2_rcbuf_is_static.rst \
 	nghttp2_select_next_protocol.rst \
 	nghttp2_session_callbacks_del.rst \
 	nghttp2_session_callbacks_new.rst \
 	nghttp2_session_callbacks_set_before_frame_send_callback.rst \
 	nghttp2_session_callbacks_set_data_source_read_length_callback.rst \
+	nghttp2_session_callbacks_set_error_callback.rst \
+	nghttp2_session_callbacks_set_error_callback2.rst \
 	nghttp2_session_callbacks_set_on_begin_frame_callback.rst \
 	nghttp2_session_callbacks_set_on_begin_headers_callback.rst \
 	nghttp2_session_callbacks_set_on_data_chunk_recv_callback.rst \
+	nghttp2_session_callbacks_set_on_extension_chunk_recv_callback.rst \
 	nghttp2_session_callbacks_set_on_frame_not_send_callback.rst \
 	nghttp2_session_callbacks_set_on_frame_recv_callback.rst \
 	nghttp2_session_callbacks_set_on_frame_send_callback.rst \
 	nghttp2_session_callbacks_set_on_header_callback.rst \
+	nghttp2_session_callbacks_set_on_header_callback2.rst \
 	nghttp2_session_callbacks_set_on_invalid_frame_recv_callback.rst \
+	nghttp2_session_callbacks_set_on_invalid_header_callback.rst \
+	nghttp2_session_callbacks_set_on_invalid_header_callback2.rst \
 	nghttp2_session_callbacks_set_on_stream_close_callback.rst \
+	nghttp2_session_callbacks_set_pack_extension_callback.rst \
 	nghttp2_session_callbacks_set_recv_callback.rst \
 	nghttp2_session_callbacks_set_select_padding_callback.rst \
 	nghttp2_session_callbacks_set_send_callback.rst \
 	nghttp2_session_callbacks_set_send_data_callback.rst \
+	nghttp2_session_callbacks_set_unpack_extension_callback.rst \
+	nghttp2_session_change_stream_priority.rst \
+	nghttp2_session_check_request_allowed.rst \
+	nghttp2_session_check_server_session.rst \
 	nghttp2_session_client_new.rst \
 	nghttp2_session_client_new2.rst \
 	nghttp2_session_client_new3.rst \
 	nghttp2_session_consume.rst \
 	nghttp2_session_consume_connection.rst \
 	nghttp2_session_consume_stream.rst \
+	nghttp2_session_create_idle_stream.rst \
 	nghttp2_session_del.rst \
 	nghttp2_session_find_stream.rst \
 	nghttp2_session_get_effective_local_window_size.rst \
 	nghttp2_session_get_effective_recv_data_length.rst \
+	nghttp2_session_get_hd_deflate_dynamic_table_size.rst \
+	nghttp2_session_get_hd_inflate_dynamic_table_size.rst \
 	nghttp2_session_get_last_proc_stream_id.rst \
+	nghttp2_session_get_local_settings.rst \
+	nghttp2_session_get_local_window_size.rst \
 	nghttp2_session_get_next_stream_id.rst \
 	nghttp2_session_get_outbound_queue_size.rst \
 	nghttp2_session_get_remote_settings.rst \
@@ -91,6 +129,7 @@ APIDOCS= \
 	nghttp2_session_get_stream_effective_local_window_size.rst \
 	nghttp2_session_get_stream_effective_recv_data_length.rst \
 	nghttp2_session_get_stream_local_close.rst \
+	nghttp2_session_get_stream_local_window_size.rst \
 	nghttp2_session_get_stream_remote_close.rst \
 	nghttp2_session_get_stream_remote_window_size.rst \
 	nghttp2_session_get_stream_user_data.rst \
@@ -102,13 +141,17 @@ APIDOCS= \
 	nghttp2_session_server_new.rst \
 	nghttp2_session_server_new2.rst \
 	nghttp2_session_server_new3.rst \
+	nghttp2_session_set_local_window_size.rst \
 	nghttp2_session_set_next_stream_id.rst \
 	nghttp2_session_set_stream_user_data.rst \
+	nghttp2_session_set_user_data.rst \
 	nghttp2_session_terminate_session.rst \
 	nghttp2_session_terminate_session2.rst \
 	nghttp2_session_upgrade.rst \
+	nghttp2_session_upgrade2.rst \
 	nghttp2_session_want_read.rst \
 	nghttp2_session_want_write.rst \
+	nghttp2_set_debug_vprintf_callback.rst \
 	nghttp2_stream_get_first_child.rst \
 	nghttp2_stream_get_next_sibling.rst \
 	nghttp2_stream_get_parent.rst \
@@ -117,9 +160,12 @@ APIDOCS= \
 	nghttp2_stream_get_sum_dependency_weight.rst \
 	nghttp2_stream_get_weight.rst \
 	nghttp2_strerror.rst \
+	nghttp2_submit_altsvc.rst \
 	nghttp2_submit_data.rst \
+	nghttp2_submit_extension.rst \
 	nghttp2_submit_goaway.rst \
 	nghttp2_submit_headers.rst \
+	nghttp2_submit_origin.rst \
 	nghttp2_submit_ping.rst \
 	nghttp2_submit_priority.rst \
 	nghttp2_submit_push_promise.rst \
@@ -132,15 +178,19 @@ APIDOCS= \
 	nghttp2_submit_window_update.rst \
 	nghttp2_version.rst
 
-EXTRA_DIST = \
-	mkapiref.py \
+RST_FILES = \
 	README.rst \
 	programmers-guide.rst \
-	$(APIDOCS) \
 	nghttp.1.rst \
 	nghttpd.1.rst \
 	nghttpx.1.rst \
-	h2load.1.rst \
+	h2load.1.rst
+
+EXTRA_DIST = \
+	CMakeLists.txt \
+	mkapiref.py \
+	$(RST_FILES) \
+	$(APIDOCS) \
 	sources/index.rst \
 	sources/tutorial-client.rst \
 	sources/tutorial-server.rst \
@@ -214,13 +264,15 @@ help:
 
 apiref.rst: \
 	$(top_builddir)/lib/includes/nghttp2/nghttp2ver.h \
-	$(top_builddir)/lib/includes/nghttp2/nghttp2.h
+	$(top_srcdir)/lib/includes/nghttp2/nghttp2.h
+	for i in $(RST_FILES); do [ -e $(builddir)/$$i ] || cp $(srcdir)/$$i $(builddir); done
 	$(PYTHON) $(top_srcdir)/doc/mkapiref.py \
 	apiref.rst macros.rst enums.rst types.rst . $^
 
 $(APIDOCS): apiref.rst
 
 clean-local:
+	if [ $(srcdir) != $(builddir) ]; then for i in $(RST_FILES); do rm -f $(builddir)/$$i; done fi
 	-rm -f apiref.rst
 	-rm -f $(APIDOCS)
 	-rm -rf $(BUILDDIR)/*

doc/README.rst

@@ -22,7 +22,7 @@ starts with ``/**``. In other words, it only processes the comment
 block starting ``/**``. The comment block must end with ``*/``. The
 ``mkapiref.py`` requires that which type of the object this comment
 block refers to.  To specify the type of the object, the next line
-must contain the so-caled action keyword.  Currently, the following
+must contain the so-called action keyword.  Currently, the following
 action keywords are supported: ``@function``, ``@functypedef``,
 ``@enum``, ``@struct`` and ``@union``. The following sections
 describes each action keyword.

doc/_exts/sphinxcontrib/rubydomain.py

@@ -13,17 +13,17 @@ import re
 
 from docutils import nodes
 from docutils.parsers.rst import directives
+from docutils.parsers.rst import Directive
 
 from sphinx import addnodes
+from sphinx import version_info
 from sphinx.roles import XRefRole
 from sphinx.locale import l_, _
 from sphinx.domains import Domain, ObjType, Index
 from sphinx.directives import ObjectDescription
 from sphinx.util.nodes import make_refnode
-from sphinx.util.compat import Directive
 from sphinx.util.docfields import Field, GroupedField, TypedField
 
-
 # REs for Ruby signatures
 rb_sig_re = re.compile(
     r'''^ ([\w.]*\.)?            # class name(s)
@@ -231,8 +231,8 @@ class RubyObject(ObjectDescription):
 
         indextext = self.get_index_text(modname, name_cls)
         if indextext:
-            self.indexnode['entries'].append(('single', indextext,
-                                              fullname, fullname))
+            self.indexnode['entries'].append(
+                _make_index('single', indextext, fullname, fullname))
 
     def before_content(self):
         # needed for automatic qualification of members (reset in subclasses)
@@ -415,11 +415,19 @@ class RubyModule(Directive):
         # modindex currently
         if not noindex:
             indextext = _('%s (module)') % modname
-            inode = addnodes.index(entries=[('single', indextext,
-                                             'module-' + modname, modname)])
+            inode = addnodes.index(entries=[_make_index(
+                'single', indextext, 'module-' + modname, modname)])
             ret.append(inode)
         return ret
 
+def _make_index(entrytype, entryname, target, ignored, key=None):
+    # Sphinx 1.4 introduced backward incompatible changes, it now
+    # requires 5 tuples.  Last one is categorization key.  See
+    # http://www.sphinx-doc.org/en/stable/extdev/nodes.html#sphinx.addnodes.index
+    if version_info >= (1, 4, 0, '', 0):
+        return (entrytype, entryname, target, ignored, key)
+    else:
+        return (entrytype, entryname, target, ignored)
 
 class RubyCurrentModule(Directive):
     """

doc/_themes/sphinx_rtd_theme/__init__.py

@@ -5,7 +5,7 @@ From https://github.com/ryan-roemer/sphinx-bootstrap-theme.
 """
 import os
 
-VERSION = (0, 1, 8)
+VERSION = (0, 1, 9)
 
 __version__ = ".".join(str(v) for v in VERSION)
 __version_full__ = __version__

doc/_themes/sphinx_rtd_theme/breadcrumbs.html

@@ -1,23 +1,31 @@
+{# Support for Sphinx 1.3+ page_source_suffix, but don't break old builds. #}
+
+{% if page_source_suffix %} 
+{% set suffix = page_source_suffix %}
+{% else %}
+{% set suffix = source_suffix %}
+{% endif %}
+
 <div role="navigation" aria-label="breadcrumbs navigation">
   <ul class="wy-breadcrumbs">
     <li><a href="{{ pathto(master_doc) }}">Docs</a> &raquo;</li>
       {% for doc in parents %}
-          <li><a href="{{ doc.link|e }}">{{ doc.title }}</a> &raquo;</li>
+        <li><a href="{{ doc.link|e }}">{{ doc.title }}</a> &raquo;</li>
       {% endfor %}
     <li>{{ title }}</li>
-      <li class="wy-breadcrumbs-aside">
-        {% if pagename != "search" %}
-          {% if display_github %}
-            <a href="https://{{ github_host|default("github.com") }}/{{ github_user }}/{{ github_repo }}/blob/{{ github_version }}{{ conf_py_path }}{{ pagename }}{{ source_suffix }}" class="fa fa-github"> Edit on GitHub</a>
-          {% elif display_bitbucket %}
-            <a href="https://bitbucket.org/{{ bitbucket_user }}/{{ bitbucket_repo }}/src/{{ bitbucket_version}}{{ conf_py_path }}{{ pagename }}{{ source_suffix }}" class="fa fa-bitbucket"> Edit on Bitbucket</a>
-          {% elif show_source and source_url_prefix %}
-            <a href="{{ source_url_prefix }}{{ pagename }}{{ source_suffix }}">View page source</a>
-          {% elif show_source and has_source and sourcename %}
-            <a href="{{ pathto('_sources/' + sourcename, true)|e }}" rel="nofollow"> View page source</a>
-          {% endif %}
+    <li class="wy-breadcrumbs-aside">
+      {% if pagename != "search" %}
+        {% if display_github %}
+          <a href="https://{{ github_host|default("github.com") }}/{{ github_user }}/{{ github_repo }}/blob/{{ github_version }}{{ conf_py_path }}{{ pagename }}{{ suffix }}" class="fa fa-github"> Edit on GitHub</a>
+        {% elif display_bitbucket %}
+          <a href="https://bitbucket.org/{{ bitbucket_user }}/{{ bitbucket_repo }}/src/{{ bitbucket_version}}{{ conf_py_path }}{{ pagename }}{{ suffix }}" class="fa fa-bitbucket"> Edit on Bitbucket</a>
+        {% elif show_source and source_url_prefix %}
+          <a href="{{ source_url_prefix }}{{ pagename }}{{ suffix }}">View page source</a>
+        {% elif show_source and has_source and sourcename %}
+          <a href="{{ pathto('_sources/' + sourcename, true)|e }}" rel="nofollow"> View page source</a>
         {% endif %}
-      </li>
+      {% endif %}
+    </li>
   </ul>
   <hr/>
 </div>

doc/_themes/sphinx_rtd_theme/footer.html

@@ -22,9 +22,23 @@
       {%- endif %}
     {%- endif %}
 
-    {%- if last_updated %}
+    {%- if build_id and build_url %}
+      {% trans build_url=build_url, build_id=build_id %}
+        <span class="build">
+          Build
+          <a href="{{ build_url }}">{{ build_id }}</a>.
+        </span>
+      {% endtrans %}
+    {%- elif commit %}
+      {% trans commit=commit %}
+        <span class="commit">
+          Revision <code>{{ commit }}</code>.
+        </span>
+      {% endtrans %}
+    {%- elif last_updated %}
       {% trans last_updated=last_updated|e %}Last updated on {{ last_updated }}.{% endtrans %}
     {%- endif %}
+
     </p>
   </div>
 
@@ -32,5 +46,7 @@
   {% trans %}Built with <a href="http://sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/snide/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>{% endtrans %}.
   {%- endif %}
 
+  {%- block extrafooter %} {% endblock %}
+
 </footer>
 

doc/_themes/sphinx_rtd_theme/layout.html

@@ -75,48 +75,62 @@
   {%- block extrahead %} {% endblock %}
 
   {# Keep modernizr in head - http://modernizr.com/docs/#installing #}
-  <script src="_static/js/modernizr.min.js"></script>
+  <script src="{{ pathto('_static/js/modernizr.min.js', 1) }}"></script>
 
 </head>
 
 <body class="wy-body-for-nav" role="document">
 
+  {% block extrabody %} {% endblock %}
   <div class="wy-grid-for-nav">
 
     {# SIDE NAV, TOGGLES ON MOBILE #}
     <nav data-toggle="wy-nav-shift" class="wy-nav-side">
-      <div class="wy-side-nav-search">
-        {% block sidebartitle %}
+      <div class="wy-side-scroll">
+        <div class="wy-side-nav-search">
+          {% block sidebartitle %}
 
-        {% if logo and theme_logo_only %}
-          <a href="{{ pathto(master_doc) }}">
-        {% else %}
-          <a href="{{ pathto(master_doc) }}" class="icon icon-home"> {{ project }}
-        {% endif %}
-
-        {% if logo %}
-          {# Not strictly valid HTML, but it's the only way to display/scale it properly, without weird scripting or heaps of work #}
-          <img src="{{ pathto('_static/' + logo, 1) }}" class="logo" />
-        {% endif %}
-        </a>
-
-        {% include "searchbox.html" %}
-
-        {% endblock %}
-      </div>
-
-      <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
-        {% block menu %}
-          {% set toctree = toctree(maxdepth=4, collapse=False, includehidden=True) %}
-          {% if toctree %}
-              {{ toctree }}
+          {% if logo and theme_logo_only %}
+            <a href="{{ pathto(master_doc) }}">
           {% else %}
-              <!-- Local TOC -->
-              <div class="local-toc">{{ toc }}</div>
+            <a href="{{ pathto(master_doc) }}" class="icon icon-home"> {{ project }}
           {% endif %}
-        {% endblock %}
+
+          {% if logo %}
+            {# Not strictly valid HTML, but it's the only way to display/scale it properly, without weird scripting or heaps of work #}
+            <img src="{{ pathto('_static/' + logo, 1) }}" class="logo" />
+          {% endif %}
+          </a>
+
+          {% if theme_display_version %}
+            {%- set nav_version = version %}
+            {% if READTHEDOCS and current_version %}
+              {%- set nav_version = current_version %}
+            {% endif %}
+            {% if nav_version %}
+              <div class="version">
+                {{ nav_version }}
+              </div>
+            {% endif %}
+          {% endif %}
+
+          {% include "searchbox.html" %}
+
+          {% endblock %}
+        </div>
+
+        <div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="main navigation">
+          {% block menu %}
+            {% set toctree = toctree(maxdepth=4, collapse=theme_collapse_navigation, includehidden=True) %}
+            {% if toctree %}
+                {{ toctree }}
+            {% else %}
+                <!-- Local TOC -->
+                <div class="local-toc">{{ toc }}</div>
+            {% endif %}
+          {% endblock %}
+        </div>
       </div>
-      &nbsp;
     </nav>
 
     <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap">
@@ -132,8 +146,10 @@
       <div class="wy-nav-content">
         <div class="rst-content">
           {% include "breadcrumbs.html" %}
-          <div role="main" class="document">
+          <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article">
+           <div itemprop="articleBody">
             {% block body %}{% endblock %}
+           </div>
           </div>
           {% include "footer.html" %}
         </div>

doc/_themes/sphinx_rtd_theme/static/css/badge_only.css.map

@@ -1,6 +1,6 @@
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doc/_themes/sphinx_rtd_theme/static/js/theme.js

@@ -1,113 +1,156 @@
-function toggleCurrent (elem) {
-    var parent_li = elem.closest('li');
-    parent_li.siblings('li.current').removeClass('current');
-    parent_li.siblings().find('li.current').removeClass('current');
-    parent_li.find('> ul li.current').removeClass('current');
-    parent_li.toggleClass('current');
+require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({"sphinx-rtd-theme":[function(require,module,exports){
+var jQuery = (typeof(window) != 'undefined') ? window.jQuery : require('jquery');
+
+// Sphinx theme nav state
+function ThemeNav () {
+
+    var nav = {
+        navBar: null,
+        win: null,
+        winScroll: false,
+        winResize: false,
+        linkScroll: false,
+        winPosition: 0,
+        winHeight: null,
+        docHeight: null,
+        isRunning: false
+    };
+
+    nav.enable = function () {
+        var self = this;
+
+        if (!self.isRunning) {
+            self.isRunning = true;
+            jQuery(function ($) {
+                self.init($);
+
+                self.reset();
+                self.win.on('hashchange', self.reset);
+
+                // Set scroll monitor
+                self.win.on('scroll', function () {
+                    if (!self.linkScroll) {
+                        self.winScroll = true;
+                    }
+                });
+                setInterval(function () { if (self.winScroll) self.onScroll(); }, 25);
+
+                // Set resize monitor
+                self.win.on('resize', function () {
+                    self.winResize = true;
+                });
+                setInterval(function () { if (self.winResize) self.onResize(); }, 25);
+                self.onResize();
+            });
+        };
+    };
+
+    nav.init = function ($) {
+        var doc = $(document),
+            self = this;
+
+        this.navBar = $('div.wy-side-scroll:first');
+        this.win = $(window);
+
+        // Set up javascript UX bits
+        $(document)
+            // Shift nav in mobile when clicking the menu.
+            .on('click', "[data-toggle='wy-nav-top']", function() {
+                $("[data-toggle='wy-nav-shift']").toggleClass("shift");
+                $("[data-toggle='rst-versions']").toggleClass("shift");
+            })
+
+            // Nav menu link click operations
+            .on('click', ".wy-menu-vertical .current ul li a", function() {
+                var target = $(this);
+                // Close menu when you click a link.
+                $("[data-toggle='wy-nav-shift']").removeClass("shift");
+                $("[data-toggle='rst-versions']").toggleClass("shift");
+                // Handle dynamic display of l3 and l4 nav lists
+                self.toggleCurrent(target);
+                self.hashChange();
+            })
+            .on('click', "[data-toggle='rst-current-version']", function() {
+                $("[data-toggle='rst-versions']").toggleClass("shift-up");
+            })
+
+        // Make tables responsive
+        $("table.docutils:not(.field-list)")
+            .wrap("<div class='wy-table-responsive'></div>");
+
+        // Add expand links to all parents of nested ul
+        $('.wy-menu-vertical ul').not('.simple').siblings('a').each(function () {
+            var link = $(this);
+                expand = $('<span class="toctree-expand"></span>');
+            expand.on('click', function (ev) {
+                self.toggleCurrent(link);
+                ev.stopPropagation();
+                return false;
+            });
+            link.prepend(expand);
+        });
+    };
+
+    nav.reset = function () {
+        // Get anchor from URL and open up nested nav
+        var anchor = encodeURI(window.location.hash);
+        if (anchor) {
+            try {
+                var link = $('.wy-menu-vertical')
+                    .find('[href="' + anchor + '"]');
+                $('.wy-menu-vertical li.toctree-l1 li.current')
+                    .removeClass('current');
+                link.closest('li.toctree-l2').addClass('current');
+                link.closest('li.toctree-l3').addClass('current');
+                link.closest('li.toctree-l4').addClass('current');
+            }
+            catch (err) {
+                console.log("Error expanding nav for anchor", err);
+            }
+        }
+    };
+
+    nav.onScroll = function () {
+        this.winScroll = false;
+        var newWinPosition = this.win.scrollTop(),
+            winBottom = newWinPosition + this.winHeight,
+            navPosition = this.navBar.scrollTop(),
+            newNavPosition = navPosition + (newWinPosition - this.winPosition);
+        if (newWinPosition < 0 || winBottom > this.docHeight) {
+            return;
+        }
+        this.navBar.scrollTop(newNavPosition);
+        this.winPosition = newWinPosition;
+    };
+
+    nav.onResize = function () {
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+        this.winHeight = this.win.height();
+        this.docHeight = $(document).height();
+    };
+
+    nav.hashChange = function () {
+        this.linkScroll = true;
+        this.win.one('hashchange', function () {
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+        });
+    };
+
+    nav.toggleCurrent = function (elem) {
+        var parent_li = elem.closest('li');
+        parent_li.siblings('li.current').removeClass('current');
+        parent_li.siblings().find('li.current').removeClass('current');
+        parent_li.find('> ul li.current').removeClass('current');
+        parent_li.toggleClass('current');
+    }
+
+    return nav;
+};
+
+module.exports.ThemeNav = ThemeNav();
+
+if (typeof(window) != 'undefined') {
+    window.SphinxRtdTheme = { StickyNav: module.exports.ThemeNav };
 }
 
-$(document).ready(function() {
-    // Shift nav in mobile when clicking the menu.
-    $(document).on('click', "[data-toggle='wy-nav-top']", function() {
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-        var target = $(this);
-        // Close menu when you click a link.
-        $("[data-toggle='wy-nav-shift']").removeClass("shift");
-        $("[data-toggle='rst-versions']").toggleClass("shift");
-        // Handle dynamic display of l3 and l4 nav lists
-        toggleCurrent(target);
-        if (typeof(window.SphinxRtdTheme) != 'undefined') {
-            window.SphinxRtdTheme.StickyNav.hashChange();
-        }
-    });
-    $(document).on('click', "[data-toggle='rst-current-version']", function() {
-        $("[data-toggle='rst-versions']").toggleClass("shift-up");
-    });
-    // Make tables responsive
-    $("table.docutils:not(.field-list)").wrap("<div class='wy-table-responsive'></div>");
-
-    // Add expand links to all parents of nested ul
-    $('.wy-menu-vertical ul').siblings('a').each(function () {
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-            ev.stopPropagation();
-            return false;
-        });
-        link.prepend(expand);
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-});
-
-// Sphinx theme state
-window.SphinxRtdTheme = (function (jquery) {
-    var stickyNav = (function () {
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-            win,
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-                        var link = $('.wy-menu-vertical')
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-                        link.closest('li.toctree-l3').addClass('current');
-                        link.closest('li.toctree-l4').addClass('current');
-                    }
-                    catch (err) {
-                        console.log("Error expanding nav for anchor", err);
-                    }
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-            hashChange = function () {
-                linkScroll = true;
-                win.one('hashchange', function () {
-                    linkScroll = false;
-                });
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-        jquery(init);
-        return {
-            enable: enable,
-            hashChange: hashChange
-        };
-    }());
-    return {
-        StickyNav: stickyNav
-    };
-}($));
+},{"jquery":"jquery"}]},{},["sphinx-rtd-theme"]);

doc/_themes/sphinx_rtd_theme/theme.conf

@@ -7,3 +7,5 @@ typekit_id = hiw1hhg
 analytics_id = 
 sticky_navigation = False
 logo_only =
+collapse_navigation = False
+display_version = True

doc/bash_completion/h2load

@@ -8,7 +8,7 @@ _h2load()
     _get_comp_words_by_ref cur prev
     case $cur in
         -*)
-            COMPREPLY=( $( compgen -W '--threads --connection-window-bits --input-file --help --requests --num-conns --data --verbose --timing-script-file --ciphers --connection-active-timeout --rate --connection-inactivity-timeout --base-uri --window-bits --clients --no-tls-proto --version --header --max-concurrent-streams ' -- "$cur" ) )
+            COMPREPLY=( $( compgen -W '--connection-window-bits --clients --verbose --ciphers --rate --no-tls-proto --header-table-size --requests --log-file --base-uri --h1 --threads --npn-list --rate-period --data --version --connection-inactivity-timeout --timing-script-file --encoder-header-table-size --max-concurrent-streams --connection-active-timeout --input-file --help --window-bits --warm-up-time --duration --header ' -- "$cur" ) )
             ;;
         *)
             _filedir

doc/bash_completion/nghttp

@@ -8,7 +8,7 @@ _nghttp()
     _get_comp_words_by_ref cur prev
     case $cur in
         -*)
-            COMPREPLY=( $( compgen -W '--no-push --verbose --no-dep --get-assets --har --header-table-size --multiply --padding --hexdump --max-concurrent-streams --continuation --connection-window-bits --peer-max-concurrent-streams --timeout --data --no-content-length --version --color --cert --upgrade --remote-name --trailer --weight --help --key --null-out --window-bits --stat --header ' -- "$cur" ) )
+            COMPREPLY=( $( compgen -W '--no-push --verbose --no-dep --get-assets --har --header-table-size --multiply --encoder-header-table-size --padding --hexdump --max-concurrent-streams --continuation --connection-window-bits --peer-max-concurrent-streams --timeout --data --no-content-length --version --color --cert --upgrade --remote-name --trailer --weight --help --key --null-out --window-bits --expect-continue --stat --no-verify-peer --header ' -- "$cur" ) )
             ;;
         *)
             _filedir

doc/bash_completion/nghttpd

@@ -8,7 +8,7 @@ _nghttpd()
     _get_comp_words_by_ref cur prev
     case $cur in
         -*)
-            COMPREPLY=( $( compgen -W '--error-gzip --push --header-table-size --trailer --htdocs --address --padding --verbose --version --help --hexdump --dh-param-file --daemon --verify-client --echo-upload --workers --no-tls --color --early-response --max-concurrent-streams ' -- "$cur" ) )
+            COMPREPLY=( $( compgen -W '--htdocs --verbose --daemon --echo-upload --error-gzip --push --header-table-size --encoder-header-table-size --padding --hexdump --max-concurrent-streams --no-tls --connection-window-bits --mime-types-file --no-content-length --workers --version --color --early-response --dh-param-file --trailer --address --window-bits --verify-client --help ' -- "$cur" ) )
             ;;
         *)
             _filedir

doc/bash_completion/nghttpx

@@ -8,7 +8,7 @@ _nghttpx()
     _get_comp_words_by_ref cur prev
     case $cur in
         -*)
-            COMPREPLY=( $( compgen -W '--worker-read-rate --frontend-no-tls --frontend-http2-dump-response-header --backend-http1-connections-per-frontend --tls-ticket-key-file --verify-client-cacert --include --backend-request-buffer --backend-http2-connection-window-bits --conf --worker-write-burst --npn-list --fetch-ocsp-response-file --stream-read-timeout --tls-ticket-key-memcached --accesslog-syslog --frontend-http2-read-timeout --listener-disable-timeout --frontend-http2-connection-window-bits --ciphers --strip-incoming-x-forwarded-for --private-key-passwd-file --backend-keep-alive-timeout --backend-http-proxy-uri --backend-http1-connections-per-host --rlimit-nofile --no-via --ocsp-update-interval --backend-write-timeout --client --tls-ticket-key-memcached-max-retry --http2-no-cookie-crumbling --worker-read-burst --client-proxy --http2-bridge --accesslog-format --errorlog-syslog --errorlog-file --http2-max-concurrent-streams --frontend-write-timeout --tls-ticket-key-cipher --response-phase-file --read-burst --backend-ipv4 --backend-ipv6 --backend --insecure --log-level --host-rewrite --tls-proto-list --backend-http2-connections-per-worker --tls-ticket-key-memcached-interval --dh-param-file --worker-frontend-connections --header-field-buffer --no-server-push --no-location-rewrite --tls-session-cache-memcached --no-ocsp --backend-response-buffer --workers --frontend-http2-window-bits --worker-write-rate --add-request-header --backend-tls-sni-field --subcert --help --frontend-frame-debug --pid-file --frontend-http2-dump-request-header --daemon --write-rate --altsvc --user --add-x-forwarded-for --syslog-facility --frontend-read-timeout --tls-ticket-key-memcached-max-fail --backlog --write-burst --backend-http2-window-bits --padding --stream-write-timeout --cacert --version --verify-client --request-phase-file --backend-read-timeout --frontend --accesslog-file --http2-proxy --max-header-fields --backend-no-tls --client-private-key-file --client-cert-file --accept-proxy-protocol --add-response-header --read-rate ' -- "$cur" ) )
+            COMPREPLY=( $( compgen -W '--worker-read-rate --include --frontend-http2-dump-response-header --tls-ticket-key-file --verify-client-cacert --max-response-header-fields --backend-http2-window-size --tls13-client-ciphers --frontend-keep-alive-timeout --backend-request-buffer --max-request-header-fields --backend-connect-timeout --tls-max-proto-version --conf --dns-lookup-timeout --backend-http2-max-concurrent-streams --worker-write-burst --npn-list --dns-max-try --fetch-ocsp-response-file --no-via --tls-session-cache-memcached-cert-file --no-http2-cipher-black-list --mruby-file --add-forwarded --client-no-http2-cipher-black-list --stream-read-timeout --client-ciphers --ocsp-update-interval --forwarded-for --accesslog-syslog --dns-cache-timeout --frontend-http2-read-timeout --listener-disable-timeout --ciphers --client-psk-secrets --strip-incoming-x-forwarded-for --no-server-rewrite --private-key-passwd-file --backend-keep-alive-timeout --backend-http-proxy-uri --frontend-max-requests --tls-no-postpone-early-data --rlimit-nofile --no-strip-incoming-x-forwarded-proto --tls-ticket-key-memcached-cert-file --no-verify-ocsp --forwarded-by --tls-session-cache-memcached-private-key-file --error-page --ocsp-startup --backend-write-timeout --tls-dyn-rec-warmup-threshold --tls-ticket-key-memcached-max-retry --frontend-http2-window-size --http2-no-cookie-crumbling --worker-read-burst --dh-param-file --accesslog-format --errorlog-syslog --redirect-https-port --request-header-field-buffer --api-max-request-body --frontend-http2-decoder-dynamic-table-size --errorlog-file --frontend-http2-max-concurrent-streams --psk-secrets --frontend-write-timeout --tls-ticket-key-cipher --read-burst --no-add-x-forwarded-proto --backend --server-name --insecure --backend-max-backoff --log-level --host-rewrite --tls-ticket-key-memcached-interval --frontend-http2-setting-timeout --frontend-http2-connection-window-size --worker-frontend-connections --syslog-facility --fastopen --no-location-rewrite --single-thread --tls-session-cache-memcached --no-ocsp --backend-response-buffer --tls-min-proto-version --workers --add-x-forwarded-for --no-server-push --worker-write-rate --add-request-header --backend-http2-settings-timeout --subcert --ignore-per-pattern-mruby-error --ecdh-curves --no-kqueue --help --frontend-frame-debug --tls-sct-dir --pid-file --frontend-http2-dump-request-header --daemon --write-rate --altsvc --backend-http2-decoder-dynamic-table-size --no-strip-incoming-early-data --user --verify-client-tolerate-expired --frontend-read-timeout --tls-ticket-key-memcached-max-fail --backlog --write-burst --backend-connections-per-host --tls-max-early-data --response-header-field-buffer --tls-ticket-key-memcached-address-family --padding --tls-session-cache-memcached-address-family --stream-write-timeout --cacert --tls-ticket-key-memcached-private-key-file --accesslog-write-early --backend-address-family --backend-http2-connection-window-size --tls13-ciphers --version --add-response-header --backend-read-timeout --frontend-http2-optimize-window-size --frontend --accesslog-file --http2-proxy --backend-http2-encoder-dynamic-table-size --client-private-key-file --single-process --client-cert-file --tls-ticket-key-memcached --tls-dyn-rec-idle-timeout --frontend-http2-optimize-write-buffer-size --verify-client --frontend-http2-encoder-dynamic-table-size --read-rate --backend-connections-per-frontend --strip-incoming-forwarded ' -- "$cur" ) )
             ;;
         *)
             _filedir

doc/conf.py.in

@@ -41,7 +41,7 @@ import sys, os
 # documentation root, use os.path.abspath to make it absolute, like shown here.
 #sys.path.insert(0, os.path.abspath('.'))
 
-sys.path.append(os.path.abspath('_exts'))
+sys.path.append(os.path.abspath('@top_srcdir@/doc/_exts'))
 
 # -- General configuration -----------------------------------------------------
 
@@ -66,7 +66,7 @@ master_doc = 'index'
 
 # General information about the project.
 project = u'nghttp2'
-copyright = u'2012, 2015, Tatsuhiro Tsujikawa'
+copyright = u'2012, 2015, 2016, Tatsuhiro Tsujikawa'
 
 # The version info for the project you're documenting, acts as replacement for
 # |version| and |release|, also used in various other places throughout the
@@ -157,7 +157,7 @@ html_theme_path = ['@top_srcdir@/doc/_themes']
 
 # If true, SmartyPants will be used to convert quotes and dashes to
 # typographically correct entities.
-html_use_smartypants = False
+#html_use_smartypants = False
 
 # Custom sidebar templates, maps document names to template names.
 html_sidebars = {
@@ -244,12 +244,9 @@ latex_documents = [
 # One entry per manual page. List of tuples
 # (source start file, name, description, authors, manual section).
 man_pages = [
-    ('nghttp.1', 'nghttp', u'HTTP/2 experimental client',
-     [u'Tatsuhiro Tsujikawa'], 1),
-    ('nghttpd.1', 'nghttpd', u'HTTP/2 experimental server',
-     [u'Tatsuhiro Tsujikawa'], 1),
-    ('nghttpx.1', 'nghttpx', u'HTTP/2 experimental proxy',
-     [u'Tatsuhiro Tsujikawa'], 1),
+    ('nghttp.1', 'nghttp', u'HTTP/2 client', [u'Tatsuhiro Tsujikawa'], 1),
+    ('nghttpd.1', 'nghttpd', u'HTTP/2 server', [u'Tatsuhiro Tsujikawa'], 1),
+    ('nghttpx.1', 'nghttpx', u'HTTP/2 proxy', [u'Tatsuhiro Tsujikawa'], 1),
     ('h2load.1', 'h2load', u'HTTP/2 benchmarking tool',
      [u'Tatsuhiro Tsujikawa'], 1)
 ]

doc/docutils.conf

@@ -0,0 +1,2 @@
+[parsers]
+smart_quotes=no

doc/h2load.1

@@ -1,6 +1,6 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "H2LOAD" "1" "September 16, 2015" "1.3.2" "nghttp2"
+.TH "H2LOAD" "1" "Jun 11, 2019" "1.39.0" "nghttp2"
 .SH NAME
 h2load \- HTTP/2 benchmarking tool
 .
@@ -35,7 +35,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 \fBh2load\fP [OPTIONS]... [URI]...
 .SH DESCRIPTION
 .sp
-benchmarking tool for HTTP/2 and SPDY server
+benchmarking tool for HTTP/2 server
 .INDENT 0.0
 .TP
 .B <URI>
@@ -51,14 +51,20 @@ scheme, host or port values.
 .INDENT 0.0
 .TP
 .B \-n, \-\-requests=<N>
-Number of requests.
+Number of  requests across all  clients.  If it  is used
+with \fI\%\-\-timing\-script\-file\fP option,  this option specifies
+the number of requests  each client performs rather than
+the number of requests  across all clients.  This option
+is ignored if timing\-based  benchmarking is enabled (see
+\fI\%\-\-duration\fP option).
 .sp
 Default: \fB1\fP
 .UNINDENT
 .INDENT 0.0
 .TP
 .B \-c, \-\-clients=<N>
-Number of concurrent clients.
+Number  of concurrent  clients.   With  \fI\%\-r\fP option,  this
+specifies the maximum number of connections to be made.
 .sp
 Default: \fB1\fP
 .UNINDENT
@@ -84,17 +90,17 @@ scheme, host or port values.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-m, \-\-max\-concurrent\-streams=(auto|<N>)
-Max concurrent streams to  issue per session.  If "auto"
-is given, the number of given URIs is used.
+.B \-m, \-\-max\-concurrent\-streams=<N>
+Max  concurrent  streams  to issue  per  session.   When
+http/1.1  is used,  this  specifies the  number of  HTTP
+pipelining requests in\-flight.
 .sp
-Default: \fBauto\fP
+Default: \fB1\fP
 .UNINDENT
 .INDENT 0.0
 .TP
 .B \-w, \-\-window\-bits=<N>
 Sets the stream level initial window size to (2**<N>)\-1.
-For SPDY, 2**<N> is used instead.
 .sp
 Default: \fB30\fP
 .UNINDENT
@@ -102,9 +108,7 @@ Default: \fB30\fP
 .TP
 .B \-W, \-\-connection\-window\-bits=<N>
 Sets  the  connection  level   initial  window  size  to
-(2**<N>)\-1.  For SPDY, if <N>  is strictly less than 16,
-this option  is ignored.   Otherwise 2**<N> is  used for
-SPDY.
+(2**<N>)\-1.
 .sp
 Default: \fB30\fP
 .UNINDENT
@@ -118,13 +122,15 @@ Add/Override a header to the requests.
 .B \-\-ciphers=<SUITE>
 Set allowed  cipher list.  The  format of the  string is
 described in OpenSSL ciphers(1).
+.sp
+Default: \fBECDHE\-ECDSA\-AES256\-GCM\-SHA384:ECDHE\-RSA\-AES256\-GCM\-SHA384:ECDHE\-ECDSA\-CHACHA20\-POLY1305:ECDHE\-RSA\-CHACHA20\-POLY1305:ECDHE\-ECDSA\-AES128\-GCM\-SHA256:ECDHE\-RSA\-AES128\-GCM\-SHA256:ECDHE\-ECDSA\-AES256\-SHA384:ECDHE\-RSA\-AES256\-SHA384:ECDHE\-ECDSA\-AES128\-SHA256:ECDHE\-RSA\-AES128\-SHA256\fP
 .UNINDENT
 .INDENT 0.0
 .TP
 .B \-p, \-\-no\-tls\-proto=<PROTOID>
 Specify ALPN identifier of the  protocol to be used when
 accessing http URI without SSL/TLS.
-Available protocols: spdy/2, spdy/3, spdy/3.1 and h2c
+Available protocols: h2c and http/1.1
 .sp
 Default: \fBh2c\fP
 .UNINDENT
@@ -132,7 +138,9 @@ Default: \fBh2c\fP
 .TP
 .B \-d, \-\-data=<PATH>
 Post FILE to  server.  The request method  is changed to
-POST.
+POST.   For  http/1.1 connection,  if  \fI\%\-d\fP  is used,  the
+maximum number of in\-flight pipelined requests is set to
+1.
 .UNINDENT
 .INDENT 0.0
 .TP
@@ -140,72 +148,139 @@ POST.
 Specifies  the  fixed  rate  at  which  connections  are
 created.   The   rate  must   be  a   positive  integer,
 representing the  number of  connections to be  made per
-second.  When the rate is 0,  the program will run as it
-normally does, creating connections at whatever variable
-rate it wants.  The default value for this option is 0.
+rate period.   The maximum  number of connections  to be
+made  is  given  in  \fI\%\-c\fP   option.   This  rate  will  be
+distributed among  threads as  evenly as  possible.  For
+example,  with   \fI\%\-t\fP2  and   \fI\%\-r\fP4,  each  thread   gets  2
+connections per period.  When the rate is 0, the program
+will run  as it  normally does, creating  connections at
+whatever variable rate it  wants.  The default value for
+this option is 0.  \fI\%\-r\fP and \fI\%\-D\fP are mutually exclusive.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-C, \-\-num\-conns=<N>
-Specifies  the total  number of  connections to  create.
-The  total  number of  connections  must  be a  positive
-integer.  On each connection, \fI\%\-m\fP requests are made.  The
-test  stops once  as soon  as the  <N> connections  have
-either  completed   or  failed.   When  the   number  of
-connections is  0, the program  will run as  it normally
-does, creating as many connections  as it needs in order
-to make  the \fI\%\-n\fP  requests specified.  The  default value
-for this option is 0.  The  \fI\%\-n\fP option is not required if
-the \fI\%\-C\fP option is being used.
+.B \-\-rate\-period=<DURATION>
+Specifies the time  period between creating connections.
+The period  must be a positive  number, representing the
+length of the period in time.  This option is ignored if
+the rate option is not used.  The default value for this
+option is 1s.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-T, \-\-connection\-active\-timeout=<N>
+.B \-D, \-\-duration=<N>
+Specifies the main duration for the measurements in case
+of timing\-based  benchmarking.  \fI\%\-D\fP  and \fI\%\-r\fP  are mutually
+exclusive.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-warm\-up\-time=<DURATION>
+Specifies the  time  period  before  starting the actual
+measurements, in  case  of  timing\-based benchmarking.
+Needs to provided along with \fI\%\-D\fP option.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-T, \-\-connection\-active\-timeout=<DURATION>
 Specifies  the maximum  time that  h2load is  willing to
 keep a  connection open,  regardless of the  activity on
-said  connection.   <N>  must  be  a  positive  integer,
-specifying  the  number of  seconds  to  wait.  When  no
-timeout value is set (either active or inactive), h2load
-will keep a connection  open indefinitely, waiting for a
+said connection.  <DURATION> must be a positive integer,
+specifying the amount of time  to wait.  When no timeout
+value is  set (either  active or inactive),  h2load will
+keep  a  connection  open indefinitely,  waiting  for  a
 response.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-N, \-\-connection\-inactivity\-timeout=<N>
+.B \-N, \-\-connection\-inactivity\-timeout=<DURATION>
 Specifies the amount  of time that h2load  is willing to
-wait to see activity on a given connection.  <N> must be
-a positive integer, specifying  the number of seconds to
-wait.  When  no timeout value  is set (either  active or
-inactive),   h2load   will   keep  a   connection   open
+wait to see activity  on a given connection.  <DURATION>
+must  be a  positive integer,  specifying the  amount of
+time  to wait.   When no  timeout value  is set  (either
+active or inactive), h2load  will keep a connection open
 indefinitely, waiting for a response.
 .UNINDENT
 .INDENT 0.0
 .TP
 .B \-\-timing\-script\-file=<PATH>
-Path of a file containing one  or more lines separated by
-EOLs. Each script line  is composed of  two tab\-separated
-fields. The first field  represents  the time offset from
-the start of execution,  expressed as a positive value of
-milliseconds  with  microsecond  resolution.  The  second
-field represents the URI.  This option will disable  URIs
-getting  from  command\-line.  If \(aq\-\(aq  is given as <PATH>,
-script  lines  will be read from stdin.  Script lines are
-used in order for each client. If \fI\%\-n\fP is given, it must be
-less than or equal to the number of script lines,  larger
-values are clamped to the number of script lines.  If  \fI\%\-n\fP
-is not given,  the number of requests will default to the
-number of script lines. The scheme, host and port defined
-in the  first URI  are used  solely.  Values contained in
-other URIs, if  present, are  ignored.  Definition  of  a
-base  URI  overrides  all  scheme, host  or port  values.
+Path of a file containing one or more lines separated by
+EOLs.  Each script line is composed of two tab\-separated
+fields.  The first field represents the time offset from
+the start of execution, expressed as a positive value of
+milliseconds  with microsecond  resolution.  The  second
+field represents the URI.  This option will disable URIs
+getting from  command\-line.  If \(aq\-\(aq is  given as <PATH>,
+script lines will be read  from stdin.  Script lines are
+used in order for each client.   If \fI\%\-n\fP is given, it must
+be less  than or  equal to the  number of  script lines,
+larger values are clamped to the number of script lines.
+If \fI\%\-n\fP is not given,  the number of requests will default
+to the  number of  script lines.   The scheme,  host and
+port defined in  the first URI are  used solely.  Values
+contained  in  other  URIs,  if  present,  are  ignored.
+Definition of a  base URI overrides all  scheme, host or
+port values.
 .UNINDENT
 .INDENT 0.0
 .TP
-.B \-B, \-\-base\-uri=<URI>
+.B \-B, \-\-base\-uri=(<URI>|unix:<PATH>)
 Specify URI from which the scheme, host and port will be
 used  for  all requests.   The  base  URI overrides  all
 values  defined either  at  the command  line or  inside
-input files.
+input files.  If argument  starts with "unix:", then the
+rest  of the  argument will  be treated  as UNIX  domain
+socket path.   The connection is made  through that path
+instead of TCP.   In this case, scheme  is inferred from
+the first  URI appeared  in the  command line  or inside
+input files as usual.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-npn\-list=<LIST>
+Comma delimited list of  ALPN protocol identifier sorted
+in the  order of preference.  That  means most desirable
+protocol comes  first.  This  is used  in both  ALPN and
+NPN.  The parameter must be  delimited by a single comma
+only  and any  white spaces  are  treated as  a part  of
+protocol string.
+.sp
+Default: \fBh2,h2\-16,h2\-14,http/1.1\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-h1
+Short        hand         for        \fI\%\-\-npn\-list\fP=http/1.1
+\fI\%\-\-no\-tls\-proto\fP=http/1.1,    which   effectively    force
+http/1.1 for both http and https URI.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-header\-table\-size=<SIZE>
+Specify decoder header table size.
+.sp
+Default: \fB4K\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-encoder\-header\-table\-size=<SIZE>
+Specify encoder header table size.  The decoder (server)
+specifies  the maximum  dynamic table  size it  accepts.
+Then the negotiated dynamic table size is the minimum of
+this option value and the value which server specified.
+.sp
+Default: \fB4K\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-log\-file=<PATH>
+Write per\-request information to a file as tab\-separated
+columns: start  time as  microseconds since  epoch; HTTP
+status code;  microseconds until end of  response.  More
+columns may be added later.  Rows are ordered by end\-of\-
+response  time when  using  one worker  thread, but  may
+appear slightly  out of order with  multiple threads due
+to buffering.  Status code is \-1 for failed streams.
 .UNINDENT
 .INDENT 0.0
 .TP
@@ -222,6 +297,14 @@ Display version information and exit.
 .B \-h, \-\-help
 Display this help and exit.
 .UNINDENT
+.sp
+The <SIZE> argument is an integer and an optional unit (e.g., 10K is
+10 * 1024).  Units are K, M and G (powers of 1024).
+.sp
+The <DURATION> argument is an integer and an optional unit (e.g., 1s
+is 1 second and 500ms is 500 milliseconds).  Units are h, m, s or ms
+(hours, minutes, seconds and milliseconds, respectively).  If a unit
+is omitted, a second is used as unit.
 .SH OUTPUT
 .INDENT 0.0
 .TP
@@ -265,14 +348,17 @@ The number of status code h2load received.
 .TP
 .B total
 The number of bytes received from the server "on the wire".  If
-requests were made via TLS, this value is the number of decrpyted
+requests were made via TLS, this value is the number of decrypted
 bytes.
 .TP
 .B headers
-The number of response header bytes from the server without
-decompression.  For HTTP/2, this is the sum of the payload of
-HEADERS frame.  For SPDY, this is the sum of the payload of
-SYN_REPLY frame.
+The  number  of response  header  bytes  from the  server  without
+decompression.  The  \fBspace savings\fP shows efficiency  of header
+compression.  Let \fBdecompressed(headers)\fP to the number of bytes
+used for header fields after decompression.  The \fBspace savings\fP
+is calculated  by (1 \- \fBheaders\fP  / \fBdecompressed(headers)\fP) *
+100.  For HTTP/1.1, this is usually  0.00%, since it does not have
+header compression.  For HTTP/2, it shows some insightful numbers.
 .TP
 .B data
 The number of response body bytes received from the server.
@@ -302,13 +388,16 @@ range (mean +/\- sd) against total number of successful requests.
 .INDENT 7.0
 .TP
 .B min
-The minimum time taken to connect to a server.
+The minimum time taken to connect to a server including TLS
+handshake.
 .TP
 .B max
-The maximum time taken to connect to a server.
+The maximum time taken to connect to a server including TLS
+handshake.
 .TP
 .B mean
-The mean time taken to connect to a server.
+The mean time taken to connect to a server including TLS
+handshake.
 .TP
 .B sd
 The standard deviation of the time taken to connect to a server.
@@ -340,6 +429,28 @@ The fraction of the number of connections within standard
 deviation range (mean +/\- sd) against total number of successful
 connections.
 .UNINDENT
+.TP
+.B req/s
+.INDENT 7.0
+.TP
+.B min
+The minimum request per second among all clients.
+.TP
+.B max
+The maximum request per second among all clients.
+.TP
+.B mean
+The mean request per second among all clients.
+.TP
+.B sd
+The standard deviation of request per second among all clients.
+server.
+.TP
+.B +/\- sd
+The fraction of the number of connections within standard
+deviation range (mean +/\- sd) against total number of successful
+connections.
+.UNINDENT
 .UNINDENT
 .SH FLOW CONTROL
 .sp
@@ -347,13 +458,13 @@ h2load sets large flow control window by default, and effectively
 disables flow control to avoid under utilization of server
 performance.  To set smaller flow control window, use \fI\%\-w\fP and
 \fI\%\-W\fP options.  For example, use \fB\-w16 \-W16\fP to set default
-window size described in HTTP/2 and SPDY protocol specification.
+window size described in HTTP/2 protocol specification.
 .SH SEE ALSO
 .sp
-\fInghttp(1)\fP, \fInghttpd(1)\fP, \fInghttpx(1)\fP
+\fBnghttp(1)\fP, \fBnghttpd(1)\fP, \fBnghttpx(1)\fP
 .SH AUTHOR
 Tatsuhiro Tsujikawa
 .SH COPYRIGHT
-2012, 2015, Tatsuhiro Tsujikawa
+2012, 2015, 2016, Tatsuhiro Tsujikawa
 .\" Generated by docutils manpage writer.
 .

doc/h2load.1.rst

@@ -14,7 +14,7 @@ SYNOPSIS
 DESCRIPTION
 -----------
 
-benchmarking tool for HTTP/2 and SPDY server
+benchmarking tool for HTTP/2 server
 
 .. describe:: <URI>
 
@@ -31,13 +31,19 @@ OPTIONS
 
 .. option:: -n, --requests=<N>
 
-    Number of requests.
+    Number of  requests across all  clients.  If it  is used
+    with :option:`--timing-script-file` option,  this option specifies
+    the number of requests  each client performs rather than
+    the number of requests  across all clients.  This option
+    is ignored if timing-based  benchmarking is enabled (see
+    :option:`--duration` option).
 
     Default: ``1``
 
 .. option:: -c, --clients=<N>
 
-    Number of concurrent clients.
+    Number  of concurrent  clients.   With  :option:`-r` option,  this
+    specifies the maximum number of connections to be made.
 
     Default: ``1``
 
@@ -59,26 +65,24 @@ OPTIONS
     are used solely.  Definition of a base URI overrides all
     scheme, host or port values.
 
-.. option:: -m, --max-concurrent-streams=(auto|<N>)
+.. option:: -m, --max-concurrent-streams=<N>
 
-    Max concurrent streams to  issue per session.  If "auto"
-    is given, the number of given URIs is used.
+    Max  concurrent  streams  to issue  per  session.   When
+    http/1.1  is used,  this  specifies the  number of  HTTP
+    pipelining requests in-flight.
 
-    Default: ``auto``
+    Default: ``1``
 
 .. option:: -w, --window-bits=<N>
 
     Sets the stream level initial window size to (2\*\*<N>)-1.
-    For SPDY, 2**<N> is used instead.
 
     Default: ``30``
 
 .. option:: -W, --connection-window-bits=<N>
 
     Sets  the  connection  level   initial  window  size  to
-    (2**<N>)-1.  For SPDY, if <N>  is strictly less than 16,
-    this option  is ignored.   Otherwise 2\*\*<N> is  used for
-    SPDY.
+    (2\*\*<N>)-1.
 
     Default: ``30``
 
@@ -91,85 +95,149 @@ OPTIONS
     Set allowed  cipher list.  The  format of the  string is
     described in OpenSSL ciphers(1).
 
+    Default: ``ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256``
+
 .. option:: -p, --no-tls-proto=<PROTOID>
 
     Specify ALPN identifier of the  protocol to be used when
     accessing http URI without SSL/TLS.
-    Available protocols: spdy/2, spdy/3, spdy/3.1 and h2c
+    Available protocols: h2c and http/1.1
 
     Default: ``h2c``
 
 .. option:: -d, --data=<PATH>
 
     Post FILE to  server.  The request method  is changed to
-    POST.
+    POST.   For  http/1.1 connection,  if  :option:`-d`  is used,  the
+    maximum number of in-flight pipelined requests is set to
+    1.
 
 .. option:: -r, --rate=<N>
 
     Specifies  the  fixed  rate  at  which  connections  are
     created.   The   rate  must   be  a   positive  integer,
     representing the  number of  connections to be  made per
-    second.  When the rate is 0,  the program will run as it
-    normally does, creating connections at whatever variable
-    rate it wants.  The default value for this option is 0.
+    rate period.   The maximum  number of connections  to be
+    made  is  given  in  :option:`-c`   option.   This  rate  will  be
+    distributed among  threads as  evenly as  possible.  For
+    example,  with   :option:`-t`\2  and   :option:`-r`\4,  each  thread   gets  2
+    connections per period.  When the rate is 0, the program
+    will run  as it  normally does, creating  connections at
+    whatever variable rate it  wants.  The default value for
+    this option is 0.  :option:`-r` and :option:`\-D` are mutually exclusive.
 
-.. option:: -C, --num-conns=<N>
+.. option:: --rate-period=<DURATION>
 
-    Specifies  the total  number of  connections to  create.
-    The  total  number of  connections  must  be a  positive
-    integer.  On each connection, :option:`-m` requests are made.  The
-    test  stops once  as soon  as the  <N> connections  have
-    either  completed   or  failed.   When  the   number  of
-    connections is  0, the program  will run as  it normally
-    does, creating as many connections  as it needs in order
-    to make  the :option:`-n`  requests specified.  The  default value
-    for this option is 0.  The  :option:`-n` option is not required if
-    the :option:`-C` option is being used.
+    Specifies the time  period between creating connections.
+    The period  must be a positive  number, representing the
+    length of the period in time.  This option is ignored if
+    the rate option is not used.  The default value for this
+    option is 1s.
 
-.. option:: -T, --connection-active-timeout=<N>
+.. option:: -D, --duration=<N>
+
+    Specifies the main duration for the measurements in case
+    of timing-based  benchmarking.  :option:`-D`  and :option:`\-r`  are mutually
+    exclusive.
+
+.. option:: --warm-up-time=<DURATION>
+
+    Specifies the  time  period  before  starting the actual
+    measurements, in  case  of  timing-based benchmarking.
+    Needs to provided along with :option:`-D` option.
+
+.. option:: -T, --connection-active-timeout=<DURATION>
 
     Specifies  the maximum  time that  h2load is  willing to
     keep a  connection open,  regardless of the  activity on
-    said  connection.   <N>  must  be  a  positive  integer,
-    specifying  the  number of  seconds  to  wait.  When  no
-    timeout value is set (either active or inactive), h2load
-    will keep a connection  open indefinitely, waiting for a
+    said connection.  <DURATION> must be a positive integer,
+    specifying the amount of time  to wait.  When no timeout
+    value is  set (either  active or inactive),  h2load will
+    keep  a  connection  open indefinitely,  waiting  for  a
     response.
 
-.. option:: -N, --connection-inactivity-timeout=<N>
+.. option:: -N, --connection-inactivity-timeout=<DURATION>
 
     Specifies the amount  of time that h2load  is willing to
-    wait to see activity on a given connection.  <N> must be
-    a positive integer, specifying  the number of seconds to
-    wait.  When  no timeout value  is set (either  active or
-    inactive),   h2load   will   keep  a   connection   open
+    wait to see activity  on a given connection.  <DURATION>
+    must  be a  positive integer,  specifying the  amount of
+    time  to wait.   When no  timeout value  is set  (either
+    active or inactive), h2load  will keep a connection open
     indefinitely, waiting for a response.
 
 .. option:: --timing-script-file=<PATH>
 
-    Path of a file containing one  or more lines separated by
-    EOLs. Each script line  is composed of  two tab-separated
-    fields. The first field  represents  the time offset from
-    the start of execution,  expressed as a positive value of
-    milliseconds  with  microsecond  resolution.  The  second
-    field represents the URI.  This option will disable  URIs
-    getting  from  command-line.  If '-'  is given as <PATH>,
-    script  lines  will be read from stdin.  Script lines are
-    used in order for each client. If :option:`-n` is given, it must be
-    less than or equal to the number of script lines,  larger
-    values are clamped to the number of script lines.  If  :option:`-n`
-    is not given,  the number of requests will default to the
-    number of script lines. The scheme, host and port defined
-    in the  first URI  are used  solely.  Values contained in
-    other URIs, if  present, are  ignored.  Definition  of  a
-    base  URI  overrides  all  scheme, host  or port  values.
+    Path of a file containing one or more lines separated by
+    EOLs.  Each script line is composed of two tab-separated
+    fields.  The first field represents the time offset from
+    the start of execution, expressed as a positive value of
+    milliseconds  with microsecond  resolution.  The  second
+    field represents the URI.  This option will disable URIs
+    getting from  command-line.  If '-' is  given as <PATH>,
+    script lines will be read  from stdin.  Script lines are
+    used in order for each client.   If :option:`-n` is given, it must
+    be less  than or  equal to the  number of  script lines,
+    larger values are clamped to the number of script lines.
+    If :option:`-n` is not given,  the number of requests will default
+    to the  number of  script lines.   The scheme,  host and
+    port defined in  the first URI are  used solely.  Values
+    contained  in  other  URIs,  if  present,  are  ignored.
+    Definition of a  base URI overrides all  scheme, host or
+    port values.
 
-.. option:: -B, --base-uri=<URI>
+.. option:: -B, --base-uri=(<URI>|unix:<PATH>)
 
     Specify URI from which the scheme, host and port will be
     used  for  all requests.   The  base  URI overrides  all
     values  defined either  at  the command  line or  inside
-    input files.
+    input files.  If argument  starts with "unix:", then the
+    rest  of the  argument will  be treated  as UNIX  domain
+    socket path.   The connection is made  through that path
+    instead of TCP.   In this case, scheme  is inferred from
+    the first  URI appeared  in the  command line  or inside
+    input files as usual.
+
+.. option:: --npn-list=<LIST>
+
+    Comma delimited list of  ALPN protocol identifier sorted
+    in the  order of preference.  That  means most desirable
+    protocol comes  first.  This  is used  in both  ALPN and
+    NPN.  The parameter must be  delimited by a single comma
+    only  and any  white spaces  are  treated as  a part  of
+    protocol string.
+
+    Default: ``h2,h2-16,h2-14,http/1.1``
+
+.. option:: --h1
+
+    Short        hand         for        :option:`--npn-list`\=http/1.1
+    :option:`--no-tls-proto`\=http/1.1,    which   effectively    force
+    http/1.1 for both http and https URI.
+
+.. option:: --header-table-size=<SIZE>
+
+    Specify decoder header table size.
+
+    Default: ``4K``
+
+.. option:: --encoder-header-table-size=<SIZE>
+
+    Specify encoder header table size.  The decoder (server)
+    specifies  the maximum  dynamic table  size it  accepts.
+    Then the negotiated dynamic table size is the minimum of
+    this option value and the value which server specified.
+
+    Default: ``4K``
+
+.. option:: --log-file=<PATH>
+
+    Write per-request information to a file as tab-separated
+    columns: start  time as  microseconds since  epoch; HTTP
+    status code;  microseconds until end of  response.  More
+    columns may be added later.  Rows are ordered by end-of-
+    response  time when  using  one worker  thread, but  may
+    appear slightly  out of order with  multiple threads due
+    to buffering.  Status code is -1 for failed streams.
 
 .. option:: -v, --verbose
 
@@ -183,6 +251,18 @@ OPTIONS
 
     Display this help and exit.
 
+
+
+The <SIZE> argument is an integer and an optional unit (e.g., 10K is
+10 * 1024).  Units are K, M and G (powers of 1024).
+
+The <DURATION> argument is an integer and an optional unit (e.g., 1s
+is 1 second and 500ms is 500 milliseconds).  Units are h, m, s or ms
+(hours, minutes, seconds and milliseconds, respectively).  If a unit
+is omitted, a second is used as unit.
+
+.. _h2load-1-output:
+
 OUTPUT
 ------
 
@@ -215,13 +295,16 @@ status codes
 traffic
   total
     The number of bytes received from the server "on the wire".  If
-    requests were made via TLS, this value is the number of decrpyted
+    requests were made via TLS, this value is the number of decrypted
     bytes.
   headers
-    The number of response header bytes from the server without
-    decompression.  For HTTP/2, this is the sum of the payload of
-    HEADERS frame.  For SPDY, this is the sum of the payload of
-    SYN_REPLY frame.
+    The  number  of response  header  bytes  from the  server  without
+    decompression.  The  ``space savings`` shows efficiency  of header
+    compression.  Let ``decompressed(headers)`` to the number of bytes
+    used for header fields after decompression.  The ``space savings``
+    is calculated  by (1 - ``headers``  / ``decompressed(headers)``) *
+    100.  For HTTP/1.1, this is usually  0.00%, since it does not have
+    header compression.  For HTTP/2, it shows some insightful numbers.
   data
     The number of response body bytes received from the server.
 
@@ -240,11 +323,14 @@ time for request
 
 time for connect
   min
-    The minimum time taken to connect to a server.
+    The minimum time taken to connect to a server including TLS
+    handshake.
   max
-    The maximum time taken to connect to a server.
+    The maximum time taken to connect to a server including TLS
+    handshake.
   mean
-    The mean time taken to connect to a server.
+    The mean time taken to connect to a server including TLS
+    handshake.
   sd
     The standard deviation of the time taken to connect to a server.
   +/- sd
@@ -267,6 +353,21 @@ time for 1st byte (of (decrypted in case of TLS) application data)
     deviation range (mean +/- sd) against total number of successful
     connections.
 
+req/s
+  min
+    The minimum request per second among all clients.
+  max
+    The maximum request per second among all clients.
+  mean
+    The mean request per second among all clients.
+  sd
+    The standard deviation of request per second among all clients.
+    server.
+  +/- sd
+    The fraction of the number of connections within standard
+    deviation range (mean +/- sd) against total number of successful
+    connections.
+
 FLOW CONTROL
 ------------
 
@@ -274,7 +375,7 @@ h2load sets large flow control window by default, and effectively
 disables flow control to avoid under utilization of server
 performance.  To set smaller flow control window, use :option:`-w` and
 :option:`-W` options.  For example, use ``-w16 -W16`` to set default
-window size described in HTTP/2 and SPDY protocol specification.
+window size described in HTTP/2 protocol specification.
 
 SEE ALSO
 --------

doc/h2load.h2r

@@ -1,3 +1,5 @@
+.. _h2load-1-output:
+
 OUTPUT
 ------
 
@@ -30,13 +32,16 @@ status codes
 traffic
   total
     The number of bytes received from the server "on the wire".  If
-    requests were made via TLS, this value is the number of decrpyted
+    requests were made via TLS, this value is the number of decrypted
     bytes.
   headers
-    The number of response header bytes from the server without
-    decompression.  For HTTP/2, this is the sum of the payload of
-    HEADERS frame.  For SPDY, this is the sum of the payload of
-    SYN_REPLY frame.
+    The  number  of response  header  bytes  from the  server  without
+    decompression.  The  ``space savings`` shows efficiency  of header
+    compression.  Let ``decompressed(headers)`` to the number of bytes
+    used for header fields after decompression.  The ``space savings``
+    is calculated  by (1 - ``headers``  / ``decompressed(headers)``) *
+    100.  For HTTP/1.1, this is usually  0.00%, since it does not have
+    header compression.  For HTTP/2, it shows some insightful numbers.
   data
     The number of response body bytes received from the server.
 
@@ -55,11 +60,14 @@ time for request
 
 time for connect
   min
-    The minimum time taken to connect to a server.
+    The minimum time taken to connect to a server including TLS
+    handshake.
   max
-    The maximum time taken to connect to a server.
+    The maximum time taken to connect to a server including TLS
+    handshake.
   mean
-    The mean time taken to connect to a server.
+    The mean time taken to connect to a server including TLS
+    handshake.
   sd
     The standard deviation of the time taken to connect to a server.
   +/- sd
@@ -82,6 +90,21 @@ time for 1st byte (of (decrypted in case of TLS) application data)
     deviation range (mean +/- sd) against total number of successful
     connections.
 
+req/s
+  min
+    The minimum request per second among all clients.
+  max
+    The maximum request per second among all clients.
+  mean
+    The mean request per second among all clients.
+  sd
+    The standard deviation of request per second among all clients.
+    server.
+  +/- sd
+    The fraction of the number of connections within standard
+    deviation range (mean +/- sd) against total number of successful
+    connections.
+
 FLOW CONTROL
 ------------
 
@@ -89,7 +112,7 @@ h2load sets large flow control window by default, and effectively
 disables flow control to avoid under utilization of server
 performance.  To set smaller flow control window, use :option:`-w` and
 :option:`-W` options.  For example, use ``-w16 -W16`` to set default
-window size described in HTTP/2 and SPDY protocol specification.
+window size described in HTTP/2 protocol specification.
 
 SEE ALSO
 --------

doc/nghttp.1

@@ -1,8 +1,8 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTP" "1" "September 16, 2015" "1.3.2" "nghttp2"
+.TH "NGHTTP" "1" "Jun 11, 2019" "1.39.0" "nghttp2"
 .SH NAME
-nghttp \- HTTP/2 experimental client
+nghttp \- HTTP/2 client
 .
 .nr rst2man-indent-level 0
 .
@@ -35,7 +35,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 \fBnghttp\fP [OPTIONS]... <URI>...
 .SH DESCRIPTION
 .sp
-HTTP/2 experimental client
+HTTP/2 client
 .INDENT 0.0
 .TP
 .B <URI>
@@ -58,7 +58,7 @@ Discard downloaded data.
 .TP
 .B \-O, \-\-remote\-name
 Save  download  data  in  the  current  directory.   The
-filename is  dereived from URI.   If URI ends  with \(aq\fI/\fP\(aq,
+filename is  derived from  URI.  If  URI ends  with \(aq\fI/\fP\(aq,
 \(aqindex.html\(aq  is used  as a  filename.  Not  implemented
 yet.
 .UNINDENT
@@ -142,22 +142,39 @@ HTTP upgrade request is performed with OPTIONS method.
 .INDENT 0.0
 .TP
 .B \-p, \-\-weight=<WEIGHT>
-Sets priority group weight.  The valid value range is
+Sets  weight of  given  URI.  This  option  can be  used
+multiple times, and  N\-th \fI\%\-p\fP option sets  weight of N\-th
+URI in the command line.  If  the number of \fI\%\-p\fP option is
+less than the number of URI, the last \fI\%\-p\fP option value is
+repeated.  If there is no \fI\%\-p\fP option, default weight, 16,
+is assumed.  The valid value range is
 [1, 256], inclusive.
-.sp
-Default: \fB16\fP
 .UNINDENT
 .INDENT 0.0
 .TP
 .B \-M, \-\-peer\-max\-concurrent\-streams=<N>
 Use  <N>  as  SETTINGS_MAX_CONCURRENT_STREAMS  value  of
 remote endpoint as if it  is received in SETTINGS frame.
-The default is large enough as it is seen as unlimited.
+.sp
+Default: \fB100\fP
 .UNINDENT
 .INDENT 0.0
 .TP
 .B \-c, \-\-header\-table\-size=<SIZE>
-Specify decoder header table size.
+Specify decoder  header table  size.  If this  option is
+used  multiple times,  and the  minimum value  among the
+given values except  for last one is  strictly less than
+the last  value, that minimum  value is set  in SETTINGS
+frame  payload  before  the   last  value,  to  simulate
+multiple header table size change.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-encoder\-header\-table\-size=<SIZE>
+Specify encoder header table size.  The decoder (server)
+specifies  the maximum  dynamic table  size it  accepts.
+Then the negotiated dynamic table size is the minimum of
+this option value and the value which server specified.
 .UNINDENT
 .INDENT 0.0
 .TP
@@ -211,6 +228,20 @@ accepts.
 .UNINDENT
 .INDENT 0.0
 .TP
+.B \-\-expect\-continue
+Perform an Expect/Continue handshake:  wait to send DATA
+(up to  a short  timeout)  until the server sends  a 100
+Continue interim response. This option is ignored unless
+combined with the \fI\%\-d\fP option.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-y, \-\-no\-verify\-peer
+Suppress  warning  on  server  certificate  verification
+failure.
+.UNINDENT
+.INDENT 0.0
+.TP
 .B \-\-version
 Display version information and exit.
 .UNINDENT
@@ -286,10 +317,10 @@ stream 11 with the weight 12.  The other resources (e.g., icon) depend
 on stream 11 with the weight 2.
 .SH SEE ALSO
 .sp
-\fInghttpd(1)\fP, \fInghttpx(1)\fP, \fIh2load(1)\fP
+\fBnghttpd(1)\fP, \fBnghttpx(1)\fP, \fBh2load(1)\fP
 .SH AUTHOR
 Tatsuhiro Tsujikawa
 .SH COPYRIGHT
-2012, 2015, Tatsuhiro Tsujikawa
+2012, 2015, 2016, Tatsuhiro Tsujikawa
 .\" Generated by docutils manpage writer.
 .

doc/nghttp.1.rst

@@ -14,7 +14,7 @@ SYNOPSIS
 DESCRIPTION
 -----------
 
-HTTP/2 experimental client
+HTTP/2 client
 
 .. describe:: <URI>
 
@@ -36,7 +36,7 @@ OPTIONS
 .. option:: -O, --remote-name
 
     Save  download  data  in  the  current  directory.   The
-    filename is  dereived from URI.   If URI ends  with '*/*',
+    filename is  derived from  URI.  If  URI ends  with '*/*',
     'index.html'  is used  as a  filename.  Not  implemented
     yet.
 
@@ -107,20 +107,36 @@ OPTIONS
 
 .. option:: -p, --weight=<WEIGHT>
 
-    Sets priority group weight.  The valid value range is
+    Sets  weight of  given  URI.  This  option  can be  used
+    multiple times, and  N-th :option:`-p` option sets  weight of N-th
+    URI in the command line.  If  the number of :option:`-p` option is
+    less than the number of URI, the last :option:`-p` option value is
+    repeated.  If there is no :option:`-p` option, default weight, 16,
+    is assumed.  The valid value range is
     [1, 256], inclusive.
 
-    Default: ``16``
-
 .. option:: -M, --peer-max-concurrent-streams=<N>
 
     Use  <N>  as  SETTINGS_MAX_CONCURRENT_STREAMS  value  of
     remote endpoint as if it  is received in SETTINGS frame.
-    The default is large enough as it is seen as unlimited.
+
+    Default: ``100``
 
 .. option:: -c, --header-table-size=<SIZE>
 
-    Specify decoder header table size.
+    Specify decoder  header table  size.  If this  option is
+    used  multiple times,  and the  minimum value  among the
+    given values except  for last one is  strictly less than
+    the last  value, that minimum  value is set  in SETTINGS
+    frame  payload  before  the   last  value,  to  simulate
+    multiple header table size change.
+
+.. option:: --encoder-header-table-size=<SIZE>
+
+    Specify encoder header table size.  The decoder (server)
+    specifies  the maximum  dynamic table  size it  accepts.
+    Then the negotiated dynamic table size is the minimum of
+    this option value and the value which server specified.
 
 .. option:: -b, --padding=<N>
 
@@ -163,6 +179,18 @@ OPTIONS
     The  number of  concurrent  pushed  streams this  client
     accepts.
 
+.. option:: --expect-continue
+
+    Perform an Expect/Continue handshake:  wait to send DATA
+    (up to  a short  timeout)  until the server sends  a 100
+    Continue interim response. This option is ignored unless
+    combined with the :option:`-d` option.
+
+.. option:: -y, --no-verify-peer
+
+    Suppress  warning  on  server  certificate  verification
+    failure.
+
 .. option:: --version
 
     Display version information and exit.
@@ -195,7 +223,9 @@ implementation.
 
 When connection is established, nghttp sends 5 PRIORITY frames to idle
 streams 3, 5, 7, 9 and 11 to create "anchor" nodes in dependency
-tree::
+tree:
+
+.. code-block:: text
 
                       +-----+
                       |id=0 |

doc/nghttp.h2r

@@ -12,7 +12,9 @@ implementation.
 
 When connection is established, nghttp sends 5 PRIORITY frames to idle
 streams 3, 5, 7, 9 and 11 to create "anchor" nodes in dependency
-tree::
+tree:
+
+.. code-block:: text
 
                       +-----+
                       |id=0 |

doc/nghttpd.1

@@ -1,8 +1,8 @@
 .\" Man page generated from reStructuredText.
 .
-.TH "NGHTTPD" "1" "September 16, 2015" "1.3.2" "nghttp2"
+.TH "NGHTTPD" "1" "Jun 11, 2019" "1.39.0" "nghttp2"
 .SH NAME
-nghttpd \- HTTP/2 experimental server
+nghttpd \- HTTP/2 server
 .
 .nr rst2man-indent-level 0
 .
@@ -35,7 +35,7 @@ level margin: \\n[rst2man-indent\\n[rst2man-indent-level]]
 \fBnghttpd\fP [OPTION]... <PORT> [<PRIVATE_KEY> <CERT>]
 .SH DESCRIPTION
 .sp
-HTTP/2 experimental server
+HTTP/2 server
 .INDENT 0.0
 .TP
 .B <PORT>
@@ -99,6 +99,14 @@ Specify decoder header table size.
 .UNINDENT
 .INDENT 0.0
 .TP
+.B \-\-encoder\-header\-table\-size=<SIZE>
+Specify encoder header table size.  The decoder (client)
+specifies  the maximum  dynamic table  size it  accepts.
+Then the negotiated dynamic table size is the minimum of
+this option value and the value which client specified.
+.UNINDENT
+.INDENT 0.0
+.TP
 .B \-\-color
 Force colored log output.
 .UNINDENT
@@ -139,6 +147,17 @@ Make error response gzipped.
 .UNINDENT
 .INDENT 0.0
 .TP
+.B \-w, \-\-window\-bits=<N>
+Sets the stream level initial window size to 2**<N>\-1.
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-W, \-\-connection\-window\-bits=<N>
+Sets  the  connection  level   initial  window  size  to
+2**<N>\-1.
+.UNINDENT
+.INDENT 0.0
+.TP
 .B \-\-dh\-param\-file=<PATH>
 Path to file that contains  DH parameters in PEM format.
 Without  this   option,  DHE   cipher  suites   are  not
@@ -172,6 +191,19 @@ Send back uploaded content if method is POST or PUT.
 .UNINDENT
 .INDENT 0.0
 .TP
+.B \-\-mime\-types\-file=<PATH>
+Path  to file  that contains  MIME media  types and  the
+extensions that represent them.
+.sp
+Default: \fB/etc/mime.types\fP
+.UNINDENT
+.INDENT 0.0
+.TP
+.B \-\-no\-content\-length
+Don\(aqt send content\-length header field.
+.UNINDENT
+.INDENT 0.0
+.TP
 .B \-\-version
 Display version information and exit.
 .UNINDENT
@@ -185,10 +217,10 @@ The <SIZE> argument is an integer and an optional unit (e.g., 10K is
 10 * 1024).  Units are K, M and G (powers of 1024).
 .SH SEE ALSO
 .sp
-\fInghttp(1)\fP, \fInghttpx(1)\fP, \fIh2load(1)\fP
+\fBnghttp(1)\fP, \fBnghttpx(1)\fP, \fBh2load(1)\fP
 .SH AUTHOR
 Tatsuhiro Tsujikawa
 .SH COPYRIGHT
-2012, 2015, Tatsuhiro Tsujikawa
+2012, 2015, 2016, Tatsuhiro Tsujikawa
 .\" Generated by docutils manpage writer.
 .

doc/nghttpd.1.rst

@@ -14,7 +14,7 @@ SYNOPSIS
 DESCRIPTION
 -----------
 
-HTTP/2 experimental server
+HTTP/2 server
 
 .. describe:: <PORT>
 
@@ -70,6 +70,13 @@ OPTIONS
 
     Specify decoder header table size.
 
+.. option:: --encoder-header-table-size=<SIZE>
+
+    Specify encoder header table size.  The decoder (client)
+    specifies  the maximum  dynamic table  size it  accepts.
+    Then the negotiated dynamic table size is the minimum of
+    this option value and the value which client specified.
+
 .. option:: --color
 
     Force colored log output.
@@ -104,6 +111,15 @@ OPTIONS
 
     Make error response gzipped.
 
+.. option:: -w, --window-bits=<N>
+
+    Sets the stream level initial window size to 2\*\*<N>-1.
+
+.. option:: -W, --connection-window-bits=<N>
+
+    Sets  the  connection  level   initial  window  size  to
+    2\*\*<N>-1.
+
 .. option:: --dh-param-file=<PATH>
 
     Path to file that contains  DH parameters in PEM format.
@@ -132,6 +148,17 @@ OPTIONS
 
     Send back uploaded content if method is POST or PUT.
 
+.. option:: --mime-types-file=<PATH>
+
+    Path  to file  that contains  MIME media  types and  the
+    extensions that represent them.
+
+    Default: ``/etc/mime.types``
+
+.. option:: --no-content-length
+
+    Don't send content-length header field.
+
 .. option:: --version
 
     Display version information and exit.

doc/nghttpx.h2r

@@ -13,6 +13,22 @@ FILES
   ``=`` between option name and value.  Don't put extra leading or
   trailing spaces.
 
+  When specifying arguments including characters which have special
+  meaning to a shell, we usually use quotes so that shell does not
+  interpret them.  When writing this configuration file, quotes for
+  this purpose must not be used.  For example, specify additional
+  request header field, do this:
+
+  .. code-block:: text
+
+    add-request-header=foo: bar
+
+  instead of:
+
+  .. code-block:: text
+
+    add-request-header="foo: bar"
+
   The options which do not take argument in the command-line *take*
   argument in the configuration file.  Specify ``yes`` as an argument
   (e.g., ``http2-proxy=yes``).  If other string is given, it is
@@ -25,6 +41,33 @@ FILES
   :option:`--conf` option cannot be used in the configuration file and
   will be ignored if specified.
 
+Error log
+  Error log is written to stderr by default.  It can be configured
+  using :option:`--errorlog-file`.  The format of log message is as
+  follows:
+
+  <datetime> <master-pid> <current-pid> <thread-id> <level> (<filename>:<line>) <msg>
+
+  <datetime>
+    It is a combination of date and time when the log is written.  It
+    is in ISO 8601 format.
+
+  <master-pid>
+    It is a master process ID.
+
+  <current-pid>
+    It is a process ID which writes this log.
+
+  <thread-id>
+    It is a thread ID which writes this log.  It would be unique
+    within <current-pid>.
+
+  <filename> and <line>
+    They are source file name, and line number which produce this log.
+
+  <msg>
+    It is a log message body.
+
 SIGNALS
 -------
 
@@ -33,20 +76,46 @@ SIGQUIT
   accepting connection.  After all connections are handled, nghttpx
   exits.
 
+SIGHUP
+  Reload configuration file given in :option:`--conf`.
+
 SIGUSR1
   Reopen log files.
 
 SIGUSR2
+
   Fork and execute nghttpx.  It will execute the binary in the same
-  path with same command-line arguments and environment variables.
-  After new process comes up, sending SIGQUIT to the original process
-  to perform hot swapping.
+  path with same command-line arguments and environment variables.  As
+  of nghttpx version 1.20.0, the new master process sends SIGQUIT to
+  the original master process when it is ready to serve requests.  For
+  the earlier versions of nghttpx, user has to send SIGQUIT to the
+  original master process.
+
+  The difference between SIGUSR2 (+ SIGQUIT) and SIGHUP is that former
+  is usually used to execute new binary, and the master process is
+  newly spawned.  On the other hand, the latter just reloads
+  configuration file, and the same master process continues to exist.
+
+.. note::
+
+  nghttpx consists of multiple processes: one process for processing
+  these signals, and another one for processing requests.  The former
+  spawns the latter.  The former is called master process, and the
+  latter is called worker process.  If neverbleed is enabled, the
+  worker process spawns neverbleed daemon process which does RSA key
+  processing.  The above signal must be sent to the master process.
+  If the other processes received one of them, it is ignored.  This
+  behaviour of these processes may change in the future release.  In
+  other words, in the future release, the processes other than master
+  process may terminate upon the reception of these signals.
+  Therefore these signals should not be sent to the processes other
+  than master process.
 
 SERVER PUSH
 -----------
 
-nghttpx supports HTTP/2 server push in default mode.  nghttpx looks
-for Link header field (`RFC 5988
+nghttpx supports HTTP/2 server push in default mode with Link header
+field.  nghttpx looks for Link header field (`RFC 5988
 <http://tools.ietf.org/html/rfc5988>`_) in response headers from
 backend server and extracts URI-reference with parameter
 ``rel=preload`` (see `preload
@@ -54,7 +123,7 @@ backend server and extracts URI-reference with parameter
 and pushes those URIs to the frontend client. Here is a sample Link
 header field to initiate server push:
 
-.. code-block:: http
+.. code-block:: text
 
   Link: </fonts/font.woff>; rel=preload
   Link: </css/theme.css>; rel=preload
@@ -66,6 +135,14 @@ Currently, the following restriction is applied for server push:
 
 This limitation may be loosened in the future release.
 
+nghttpx also supports server push if both frontend and backend are
+HTTP/2 in default mode.  In this case, in addition to server push via
+Link header field, server push from backend is forwarded to frontend
+HTTP/2 session.
+
+HTTP/2 server push will be disabled if :option:`--http2-proxy` is
+used.
+
 UNIX DOMAIN SOCKET
 ------------------
 
@@ -94,6 +171,22 @@ be customized using :option:`--fetch-ocsp-response-file` option.
 If OCSP query is failed, previous OCSP response, if any, is continued
 to be used.
 
+:option:`--fetch-ocsp-response-file` option provides wide range of
+possibility to manage OCSP response.  It can take an arbitrary script
+or executable.  The requirement is that it supports the command-line
+interface of ``fetch-ocsp-response`` script, and it must return a
+valid DER encoded OCSP response on success.  It must return exit code
+0 on success, and 75 for temporary error, and the other error code for
+generic failure.  For large cluster of servers, it is not efficient
+for each server to perform OCSP query using ``fetch-ocsp-response``.
+Instead, you can retrieve OCSP response in some way, and store it in a
+disk or a shared database.  Then specify a program in
+:option:`--fetch-ocsp-response-file` to fetch it from those stores.
+This could provide a way to share the OCSP response between fleet of
+servers, and also any OCSP query strategy can be applied which may be
+beyond the ability of nghttpx itself or ``fetch-ocsp-response``
+script.
+
 TLS SESSION RESUMPTION
 ----------------------
 
@@ -107,10 +200,14 @@ By default, session ID is shared by all worker threads.
 
 If :option:`--tls-session-cache-memcached` is given, nghttpx will
 insert serialized session data to memcached with
-``nghttpx:tls-session-cache:`` + lowercased hex string of session ID
+``nghttpx:tls-session-cache:`` + lowercase hex string of session ID
 as a memcached entry key, with expiry time 12 hours.  Session timeout
 is set to 12 hours.
 
+By default, connections to memcached server are not encrypted.  To
+enable encryption, use ``tls`` keyword in
+:option:`--tls-session-cache-memcached` option.
+
 TLS SESSION TICKET RESUMPTION
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
@@ -126,7 +223,9 @@ has to deploy key generator program to update keys frequently (e.g.,
 every 1 hour).  The example key generator tlsticketupdate.go is
 available under contrib directory in nghttp2 archive.  The memcached
 entry key is ``nghttpx:tls-ticket-key``.  The data format stored in
-memcached is the binary format described below::
+memcached is the binary format described below:
+
+.. code-block:: text
 
     +--------------+-------+----------------+
     | VERSION (4)  |LEN (2)|KEY(48 or 80) ...
@@ -148,11 +247,33 @@ used, LEN must be 48.  If
 keys.  The key appeared first is used as encryption key.  All the
 remaining keys are used as decryption only.
 
+By default, connections to memcached server are not encrypted.  To
+enable encryption, use ``tls`` keyword in
+:option:`--tls-ticket-key-memcached` option.
+
 If :option:`--tls-ticket-key-file` is given, encryption key is read
 from the given file.  In this case, nghttpx does not rotate key
 automatically.  To rotate key, one has to restart nghttpx (see
 SIGNALS).
 
+CERTIFICATE TRANSPARENCY
+------------------------
+
+nghttpx supports TLS ``signed_certificate_timestamp`` extension (`RFC
+6962 <https://tools.ietf.org/html/rfc6962>`_).  The relevant options
+are :option:`--tls-sct-dir` and ``sct-dir`` parameter in
+:option:`--subcert`.  They takes a directory, and nghttpx reads all
+files whose extension is ``.sct`` under the directory.  The ``*.sct``
+files are encoded as ``SignedCertificateTimestamp`` struct described
+in `section 3.2 of RFC 69662
+<https://tools.ietf.org/html/rfc6962#section-3.2>`_.  This format is
+the same one used by `nginx-ct
+<https://github.com/grahamedgecombe/nginx-ct>`_ and `mod_ssl_ct
+<https://httpd.apache.org/docs/trunk/mod/mod_ssl_ct.html>`_.
+`ct-submit <https://github.com/grahamedgecombe/ct-submit>`_ can be
+used to submit certificates to log servers, and obtain the
+``SignedCertificateTimestamp`` struct which can be used with nghttpx.
+
 MRUBY SCRIPTING
 ---------------
 
@@ -161,6 +282,14 @@ MRUBY SCRIPTING
   The current mruby extension API is experimental and not frozen.  The
   API is subject to change in the future release.
 
+.. warning::
+
+  Almost all string value returned from method, or attribute is a
+  fresh new mruby string, which involves memory allocation, and
+  copies.  Therefore, it is strongly recommended to store a return
+  value in a local variable, and use it, instead of calling method or
+  accessing attribute repeatedly.
+
 nghttpx allows users to extend its capability using mruby scripts.
 nghttpx has 2 hook points to execute mruby script: request phase and
 response phase.  The request phase hook is invoked after all request
@@ -170,23 +299,39 @@ server.  These hooks allows users to modify header fields, or common
 HTTP variables, like authority or request path, and even return custom
 response without forwarding request to backend servers.
 
-To set request phase hook, use :option:`--request-phase-file` option.
-To set response phase hook, use :option:`--response-phase-file`
-option.
+There are 2 levels of mruby script invocations: global and
+per-pattern.  The global mruby script is set by :option:`--mruby-file`
+option and is called for all requests.  The per-pattern mruby script
+is set by "mruby" parameter in :option:`-b` option.  It is invoked for
+a request which matches the particular pattern.  The order of hook
+invocation is: global request phase hook, per-pattern request phase
+hook, per-pattern response phase hook, and finally global response
+phase hook.  If a hook returns a response, any later hooks are not
+invoked.  The global request hook is invoked before the pattern
+matching is made and changing request path may affect the pattern
+matching.
 
-For request and response phase hook, user calls :rb:meth:`Nghttpx.run`
-with block.  The :rb:class:`Nghttpx::Env` is passed to the block.
-User can can access :rb:class:`Nghttpx::Request` and
-:rb:class:`Nghttpx::Response` objects via :rb:attr:`Nghttpx::Env#req`
-and :rb:attr:`Nghttpx::Env#resp` respectively.
+Please note that request and response hooks of per-pattern mruby
+script for a single request might not come from the same script.  This
+might happen after a request hook is executed, backend failed for some
+reason, and at the same time, backend configuration is replaced by API
+request, and then the request uses new configuration on retry.  The
+response hook from new configuration, if it is specified, will be
+invoked.
+
+The all mruby script will be evaluated once per thread on startup, and
+it must instantiate object and evaluate it as the return value (e.g.,
+``App.new``).  This object is called app object.  If app object
+defines ``on_req`` method, it is called with :rb:class:`Nghttpx::Env`
+object on request hook.  Similarly, if app object defines ``on_resp``
+method, it is called with :rb:class:`Nghttpx::Env` object on response
+hook.  For each method invocation, user can can access
+:rb:class:`Nghttpx::Request` and :rb:class:`Nghttpx::Response` objects
+via :rb:attr:`Nghttpx::Env#req` and :rb:attr:`Nghttpx::Env#resp`
+respectively.
 
 .. rb:module:: Nghttpx
 
-.. rb:classmethod:: run(&block)
-
-    Run request or response phase hook with given *block*.
-    :rb:class:`Nghttpx::Env` object is passed to the given block.
-
 .. rb:const:: REQUEST_PHASE
 
     Constant to represent request phase.
@@ -210,7 +355,7 @@ and :rb:attr:`Nghttpx::Env#resp` respectively.
     .. rb:attr_reader:: ctx
 
         Return Ruby hash object.  It persists until request finishes.
-        So values set in request phase hoo can be retrieved in
+        So values set in request phase hook can be retrieved in
         response phase hook.
 
     .. rb:attr_reader:: phase
@@ -219,7 +364,86 @@ and :rb:attr:`Nghttpx::Env#resp` respectively.
 
     .. rb:attr_reader:: remote_addr
 
-        Return IP address of a remote client.
+        Return IP address of a remote client.  If connection is made
+        via UNIX domain socket, this returns the string "localhost".
+
+    .. rb:attr_reader:: server_addr
+
+        Return address of server that accepted the connection.  This
+	is a string which specified in :option:`--frontend` option,
+	excluding port number, and not a resolved IP address.  For
+	UNIX domain socket, this is a path to UNIX domain socket.
+
+    .. rb:attr_reader:: server_port
+
+        Return port number of the server frontend which accepted the
+        connection from client.
+
+    .. rb:attr_reader:: tls_used
+
+        Return true if TLS is used on the connection.
+
+    .. rb:attr_reader:: tls_sni
+
+        Return the TLS SNI value which client sent in this connection.
+
+    .. rb:attr_reader:: tls_client_fingerprint_sha256
+
+        Return the SHA-256 fingerprint of a client certificate.
+
+    .. rb:attr_reader:: tls_client_fingerprint_sha1
+
+        Return the SHA-1 fingerprint of a client certificate.
+
+    .. rb:attr_reader:: tls_client_issuer_name
+
+        Return the issuer name of a client certificate.
+
+    .. rb:attr_reader:: tls_client_subject_name
+
+        Return the subject name of a client certificate.
+
+    .. rb:attr_reader:: tls_client_serial
+
+        Return the serial number of a client certificate.
+
+    .. rb:attr_reader:: tls_client_not_before
+
+        Return the start date of a client certificate in seconds since
+        the epoch.
+
+    .. rb:attr_reader:: tls_client_not_after
+
+        Return the end date of a client certificate in seconds since
+        the epoch.
+
+    .. rb:attr_reader:: tls_cipher
+
+        Return a TLS cipher negotiated in this connection.
+
+    .. rb:attr_reader:: tls_protocol
+
+        Return a TLS protocol version negotiated in this connection.
+
+    .. rb:attr_reader:: tls_session_id
+
+        Return a session ID for this connection in hex string.
+
+    .. rb:attr_reader:: tls_session_reused
+
+        Return true if, and only if a SSL/TLS session is reused.
+
+    .. rb:attr_reader:: alpn
+
+        Return ALPN identifier negotiated in this connection.
+
+    .. rb:attr_reader:: tls_handshake_finished
+
+        Return true if SSL/TLS handshake has finished.  If it returns
+        false in the request phase hook, the request is received in
+        TLSv1.3 early data (0-RTT) and might be vulnerable to the
+        replay attack.  nghttpx will send Early-Data header field to
+        backend servers to indicate this.
 
 .. rb:class:: Request
 
@@ -255,7 +479,13 @@ and :rb:attr:`Nghttpx::Env#resp` respectively.
 
         Request path, including query component (i.e., /index.html).
         On assignment, copy of given value is assigned.  The path does
-        not include authority component of URI.
+        not include authority component of URI.  This may include
+        query component.  nghttpx makes certain normalization for
+        path.  It decodes percent-encoding for unreserved characters
+        (see https://tools.ietf.org/html/rfc3986#section-2.3), and
+        resolves ".." and ".".  But it may leave characters which
+        should be percent-encoded as is. So be careful when comparing
+        path against desired string.
 
     .. rb:attr_reader:: headers
 
@@ -282,7 +512,7 @@ and :rb:attr:`Nghttpx::Env#resp` respectively.
 
         Clear all existing request header fields.
 
-    .. rb:method:: push uri
+    .. rb:method:: push(uri)
 
         Initiate to push resource identified by *uri*.  Only HTTP/2
         protocol supports this feature.  For the other protocols, this
@@ -342,13 +572,13 @@ and :rb:attr:`Nghttpx::Env#resp` respectively.
         Return custom response *body* to a client.  When this method
         is called in request phase hook, the request is not forwarded
         to the backend, and response phase hook for this request will
-        not be invoked.  When this method is called in resonse phase
+        not be invoked.  When this method is called in response phase
         hook, response from backend server is canceled and discarded.
         The status code and response header fields should be set
-        before using this method.  To set status code, use :rb:meth To
-        set response header fields, use
+        before using this method.  To set status code, use
         :rb:attr:`Nghttpx::Response#status`.  If status code is not
-        set, 200 is used.  :rb:meth:`Nghttpx::Response#add_header` and
+        set, 200 is used.  To set response header fields,
+        :rb:meth:`Nghttpx::Response#add_header` and
         :rb:meth:`Nghttpx::Response#set_header`.  When this method is
         invoked in response phase hook, the response headers are
         filled with the ones received from backend server.  To send
@@ -357,35 +587,132 @@ and :rb:attr:`Nghttpx::Env#resp` respectively.
         existing header fields, and then add required header fields.
         It is an error to call this method twice for a given request.
 
+    .. rb:method:: send_info(status, headers)
+
+        Send non-final (informational) response to a client.  *status*
+        must be in the range [100, 199], inclusive.  *headers* is a
+        hash containing response header fields.  Its key must be a
+        string, and the associated value must be either string or
+        array of strings.  Since this is not a final response, even if
+        this method is invoked, request is still forwarded to a
+        backend unless :rb:meth:`Nghttpx::Response#return` is called.
+        This method can be called multiple times.  It cannot be called
+        after :rb:meth:`Nghttpx::Response#return` is called.
+
 MRUBY EXAMPLES
 ~~~~~~~~~~~~~~
 
-Modify requet path:
+Modify request path:
 
 .. code-block:: ruby
 
-    Nghttpx.run do |env|
-      env.req.path = "/apps#{env.req.path}"
+    class App
+      def on_req(env)
+        env.req.path = "/apps#{env.req.path}"
+      end
     end
 
-Note that the file containing the above script must be set with
-:option:`--request-phase-file` option since we modify request path.
+    App.new
+
+Don't forget to instantiate and evaluate object at the last line.
 
 Restrict permission of viewing a content to a specific client
 addresses:
 
 .. code-block:: ruby
 
-    Nghttpx.run do |env|
-      allowed_clients = ["127.0.0.1", "::1"]
+    class App
+      def on_req(env)
+        allowed_clients = ["127.0.0.1", "::1"]
 
-      if env.req.path.start_with?("/log/") &&
-         !allowed_clients.include?(env.remote_addr) then
-        env.resp.status = 404
-        env.resp.return "permission denied"
+        if env.req.path.start_with?("/log/") &&
+           !allowed_clients.include?(env.remote_addr) then
+          env.resp.status = 404
+          env.resp.return "permission denied"
+        end
       end
     end
 
+    App.new
+
+API ENDPOINTS
+-------------
+
+nghttpx exposes API endpoints to manipulate it via HTTP based API.  By
+default, API endpoint is disabled.  To enable it, add a dedicated
+frontend for API using :option:`--frontend` option with "api"
+parameter.  All requests which come from this frontend address, will
+be treated as API request.
+
+The response is normally JSON dictionary, and at least includes the
+following keys:
+
+status
+  The status of the request processing.  The following values are
+  defined:
+
+  Success
+    The request was successful.
+
+  Failure
+    The request was failed.  No change has been made.
+
+code
+  HTTP status code
+
+Additionally, depending on the API endpoint, ``data`` key may be
+present, and its value contains the API endpoint specific data.
+
+We wrote "normally", since nghttpx may return ordinal HTML response in
+some cases where the error has occurred before reaching API endpoint
+(e.g., header field is too large).
+
+The following section describes available API endpoints.
+
+POST /api/v1beta1/backendconfig
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+This API replaces the current backend server settings with the
+requested ones.  The request method should be POST, but PUT is also
+acceptable.  The request body must be nghttpx configuration file
+format.  For configuration file format, see `FILES`_ section.  The
+line separator inside the request body must be single LF (0x0A).
+Currently, only :option:`backend <--backend>` option is parsed, the
+others are simply ignored.  The semantics of this API is replace the
+current backend with the backend options in request body.  Describe
+the desired set of backend severs, and nghttpx makes it happen.  If
+there is no :option:`backend <--backend>` option is found in request
+body, the current set of backend is replaced with the :option:`backend
+<--backend>` option's default value, which is ``127.0.0.1,80``.
+
+The replacement is done instantly without breaking existing
+connections or requests.  It also avoids any process creation as is
+the case with hot swapping with signals.
+
+The one limitation is that only numeric IP address is allowed in
+:option:`backend <--backend>` in request body unless "dns" parameter
+is used while non numeric hostname is allowed in command-line or
+configuration file is read using :option:`--conf`.
+
+GET /api/v1beta1/configrevision
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+This API returns configuration revision of the current nghttpx.  The
+configuration revision is opaque string, and it changes after each
+reloading by SIGHUP.  With this API, an external application knows
+that whether nghttpx has finished reloading its configuration by
+comparing the configuration revisions between before and after
+reloading.  It is recommended to disable persistent (keep-alive)
+connection for this purpose in order to avoid to send a request using
+the reused connection which may bound to an old process.
+
+This API returns response including ``data`` key.  Its value is JSON
+object, and it contains at least the following key:
+
+configRevision
+  The configuration revision of the current nghttpx
+
+
 SEE ALSO
 --------
 

doc/programmers-guide.rst

@@ -1,6 +1,79 @@
 Programmers' Guide
 ==================
 
+Architecture
+------------
+
+The most notable point in nghttp2 library architecture is it does not
+perform any I/O.  nghttp2 only performs HTTP/2 protocol stuff based on
+input byte strings.  It will calls callback functions set by
+applications while processing input.  The output of nghttp2 is just
+byte string.  An application is responsible to send these output to
+the remote peer.  The callback functions may be called while producing
+output.
+
+Not doing I/O makes embedding nghttp2 library in the existing code
+base very easy.  Usually, the existing applications have its own I/O
+event loops.  It is very hard to use nghttp2 in that situation if
+nghttp2 does its own I/O.  It also makes light weight language wrapper
+for nghttp2 easy with the same reason.  The down side is that an
+application author has to write more code to write complete
+application using nghttp2.  This is especially true for simple "toy"
+application.  For the real applications, however, this is not the
+case.  This is because you probably want to support HTTP/1 which
+nghttp2 does not provide, and to do that, you will need to write your
+own HTTP/1 stack or use existing third-party library, and bind them
+together with nghttp2 and I/O event loop.  In this point, not
+performing I/O in nghttp2 has more point than doing it.
+
+The primary object that an application uses is :type:`nghttp2_session`
+object, which is opaque struct and its details are hidden in order to
+ensure the upgrading its internal architecture without breaking the
+backward compatibility.  An application can set callbacks to
+:type:`nghttp2_session` object through the dedicated object and
+functions, and it also interacts with it via many API function calls.
+
+An application can create as many :type:`nghttp2_session` object as it
+wants.  But single :type:`nghttp2_session` object must be used by a
+single thread at the same time.  This is not so hard to enforce since
+most event-based architecture applications use is single thread per
+core, and handling one connection I/O is done by single thread.
+
+To feed input to :type:`nghttp2_session` object, one can use
+`nghttp2_session_recv()` or `nghttp2_session_mem_recv()` functions.
+They behave similarly, and the difference is that
+`nghttp2_session_recv()` will use :type:`nghttp2_read_callback` to get
+input.  On the other hand, `nghttp2_session_mem_recv()` will take
+input as its parameter.  If in doubt, use `nghttp2_session_mem_recv()`
+since it is simpler, and could be faster since it avoids calling
+callback function.
+
+To get output from :type:`nghttp2_session` object, one can use
+`nghttp2_session_send()` or `nghttp2_session_mem_send()`.  The
+difference between them is that the former uses
+:type:`nghttp2_send_callback` to pass output to an application.  On
+the other hand, the latter returns the output to the caller.  If in
+doubt, use `nghttp2_session_mem_send()` since it is simpler.  But
+`nghttp2_session_send()` might be easier to use if the output buffer
+an application has is fixed sized.
+
+In general, an application should call `nghttp2_session_mem_send()`
+when it gets input from underlying connection.  Since there is great
+chance to get something pushed into transmission queue while the call
+of `nghttp2_session_mem_send()`, it is recommended to call
+`nghttp2_session_mem_recv()` after `nghttp2_session_mem_send()`.
+
+There is a question when we are safe to close HTTP/2 session without
+waiting for the closure of underlying connection.  We offer 2 API
+calls for this: `nghttp2_session_want_read()` and
+`nghttp2_session_want_write()`.  If they both return 0, application
+can destroy :type:`nghttp2_session`, and then close the underlying
+connection.  But make sure that the buffered output has been
+transmitted to the peer before closing the connection when
+`nghttp2_session_mem_send()` is used, since
+`nghttp2_session_want_write()` does not take into account the
+transmission of the buffered data outside of :type:`nghttp2_session`.
+
 Includes
 --------
 
@@ -37,13 +110,16 @@ HTTP Messaging
 
 By default, nghttp2 library checks HTTP messaging rules described in
 `HTTP/2 specification, section 8
-<https://tools.ietf.org/html/draft-ietf-httpbis-http2-17#section-8>`_.
-Everything described in that section is not validated however.  We
-briefly describe what the library does in this area.  In the following
+<https://tools.ietf.org/html/rfc7540#section-8>`_.  Everything
+described in that section is not validated however.  We briefly
+describe what the library does in this area.  In the following
 description, without loss of generality we omit CONTINUATION frame
 since they must follow HEADERS frame and are processed atomically.  In
 other words, they are just one big HEADERS frame.  To disable these
-validations, use `nghttp2_option_set_no_http_messaging()`.
+validations, use `nghttp2_option_set_no_http_messaging()`.  Please
+note that disabling this feature does not change the fundamental
+client and server model of HTTP.  That is, even if the validation is
+disabled, only client can send requests.
 
 For HTTP request, including those carried by PUSH_PROMISE, HTTP
 message starts with one HEADERS frame containing request headers.  It
@@ -76,13 +152,11 @@ header fields must not appear: "Connection", "Keep-Alive",
 Each header field name and value must obey the field-name and
 field-value production rules described in `RFC 7230, section
 3.2. <https://tools.ietf.org/html/rfc7230#section-3.2>`_.
-Additionally, all field name must be lower cased.  While the pseudo
-header fields must satisfy these rules, we just ignore illegal regular
-headers (this means that these header fields are not passed to
-application callback).  This is because these illegal header fields
-are floating around in existing internet and resetting stream just
-because of this may break many web sites.  This is especially true if
-we forward to or translate from HTTP/1 traffic.
+Additionally, all field name must be lower cased.  The invalid header
+fields are treated as stream error, and that stream is reset.  If
+application wants to treat these headers in their own way, use
+`nghttp2_on_invalid_header_callback
+<https://nghttp2.org/documentation/types.html#c.nghttp2_on_invalid_header_callback>`_.
 
 For "http" or "https" URIs, ":path" pseudo header fields must start
 with "/".  The only exception is OPTIONS request, in that case, "*" is
@@ -100,6 +174,308 @@ parsed as 64 bit signed integer.  The sum of data length in the
 following DATA frames must match with the number in "Content-Length"
 header field if it is present (this does not include padding bytes).
 
+RFC 7230 says that server must not send "Content-Length" in any
+response with 1xx, and 204 status code.  It also says that
+"Content-Length" is not allowed in any response with 200 status code
+to a CONNECT request.  nghttp2 enforces them as well.
+
 Any deviation results in stream error of type PROTOCOL_ERROR.  If
 error is found in PUSH_PROMISE frame, stream error is raised against
 promised stream.
+
+The order of transmission of the HTTP/2 frames
+----------------------------------------------
+
+This section describes the internals of libnghttp2 about the
+scheduling of transmission of HTTP/2 frames.  This is pretty much
+internal stuff, so the details could change in the future versions of
+the library.
+
+libnghttp2 categorizes HTTP/2 frames into 4 categories: urgent,
+regular, syn_stream, and data in the order of higher priority.
+
+The urgent category includes PING and SETTINGS.  They are sent with
+highest priority.  The order inside the category is FIFO.
+
+The regular category includes frames other than PING, SETTINGS, DATA,
+and HEADERS which does not create stream (which counts toward
+concurrent stream limit).  The order inside the category is FIFO.
+
+The syn_stream category includes HEADERS frame which creates stream,
+that counts toward the concurrent stream limit.
+
+The data category includes DATA frame, and the scheduling among DATA
+frames are determined by HTTP/2 dependency tree.
+
+If the application wants to send frames in the specific order, and the
+default transmission order does not fit, it has to schedule frames by
+itself using the callbacks (e.g.,
+:type:`nghttp2_on_frame_send_callback`).
+
+RST_STREAM has special side effect when it is submitted by
+`nghttp2_submit_rst_stream()`.  It cancels all pending HEADERS and
+DATA frames whose stream ID matches the one in the RST_STREAM frame.
+This may cause unexpected behaviour for the application in some cases.
+For example, suppose that application wants to send RST_STREAM after
+sending response HEADERS and DATA.  Because of the reason we mentioned
+above, the following code does not work:
+
+.. code-block:: c
+
+    nghttp2_submit_response(...)
+    nghttp2_submit_rst_stream(...)
+
+RST_STREAM cancels HEADERS (and DATA), and just RST_STREAM is sent.
+The correct way is use :type:`nghttp2_on_frame_send_callback`, and
+after HEADERS and DATA frames are sent, issue
+`nghttp2_submit_rst_stream()`.  FYI,
+:type:`nghttp2_on_frame_not_send_callback` tells you why frames are
+not sent.
+
+Implement user defined HTTP/2 non-critical extensions
+-----------------------------------------------------
+
+As of nghttp2 v1.8.0, we have added HTTP/2 non-critical extension
+framework, which lets application send and receive user defined custom
+HTTP/2 non-critical extension frames.  nghttp2 also offers built-in
+functionality to send and receive official HTTP/2 extension frames
+(e.g., ALTSVC frame).  For these built-in handler, refer to the next
+section.
+
+To send extension frame, use `nghttp2_submit_extension()`, and
+implement :type:`nghttp2_pack_extension_callback`.  The callback
+implements how to encode data into wire format.  The callback must be
+set to :type:`nghttp2_session_callbacks` using
+`nghttp2_session_callbacks_set_pack_extension_callback()`.
+
+For example, we will illustrate how to send `ALTSVC
+<https://tools.ietf.org/html/rfc7838>`_ frame.
+
+.. code-block:: c
+
+    typedef struct {
+      const char *origin;
+      const char *field;
+    } alt_svc;
+
+    ssize_t pack_extension_callback(nghttp2_session *session, uint8_t *buf,
+                                    size_t len, const nghttp2_frame *frame,
+                                    void *user_data) {
+      const alt_svc *altsvc = (const alt_svc *)frame->ext.payload;
+      size_t originlen = strlen(altsvc->origin);
+      size_t fieldlen = strlen(altsvc->field);
+
+      uint8_t *p;
+
+      if (len < 2 + originlen + fieldlen || originlen > 0xffff) {
+        return NGHTTP2_ERR_CANCEL;
+      }
+
+      p = buf;
+      *p++ = originlen >> 8;
+      *p++ = originlen & 0xff;
+      memcpy(p, altsvc->origin, originlen);
+      p += originlen;
+      memcpy(p, altsvc->field, fieldlen);
+      p += fieldlen;
+
+      return p - buf;
+    }
+
+This implements :type:`nghttp2_pack_extension_callback`.  We have to
+set this callback to :type:`nghttp2_session_callbacks`:
+
+.. code-block:: c
+
+    nghttp2_session_callbacks_set_pack_extension_callback(
+        callbacks, pack_extension_callback);
+
+To send ALTSVC frame, call `nghttp2_submit_extension()`:
+
+.. code-block:: c
+
+  static const alt_svc altsvc = {"example.com", "h2=\":8000\""};
+
+  nghttp2_submit_extension(session, 0xa, NGHTTP2_FLAG_NONE, 0,
+                           (void *)&altsvc);
+
+Notice that ALTSVC is use frame type ``0xa``.
+
+To receive extension frames, implement 2 callbacks:
+:type:`nghttp2_unpack_extension_callback` and
+:type:`nghttp2_on_extension_chunk_recv_callback`.
+:type:`nghttp2_unpack_extension_callback` implements the way how to
+decode wire format.  :type:`nghttp2_on_extension_chunk_recv_callback`
+implements how to buffer the incoming extension payload.  These
+callbacks must be set using
+`nghttp2_session_callbacks_set_unpack_extension_callback()` and
+`nghttp2_session_callbacks_set_on_extension_chunk_recv_callback()`
+respectively.  The application also must tell the library which
+extension frame type it is willing to receive using
+`nghttp2_option_set_user_recv_extension_type()`.  Note that the
+application has to create :type:`nghttp2_option` object for that
+purpose, and initialize session with it.
+
+We use ALTSVC again to illustrate how to receive extension frames.  We
+use different ``alt_svc`` struct than the previous one.
+
+First implement 2 callbacks.  We store incoming ALTSVC payload to
+global variable ``altsvc_buffer``.  Don't do this in production code
+since this is not thread safe:
+
+.. code-block:: c
+
+    typedef struct {
+      const uint8_t *origin;
+      size_t originlen;
+      const uint8_t *field;
+      size_t fieldlen;
+    } alt_svc;
+
+    /* buffers incoming ALTSVC payload */
+    uint8_t altsvc_buffer[4096];
+    /* The length of byte written to altsvc_buffer */
+    size_t altsvc_bufferlen = 0;
+
+    int on_extension_chunk_recv_callback(nghttp2_session *session,
+                                         const nghttp2_frame_hd *hd,
+                                         const uint8_t *data, size_t len,
+                                         void *user_data) {
+      if (sizeof(altsvc_buffer) < altsvc_bufferlen + len) {
+        altsvc_bufferlen = 0;
+        return NGHTTP2_ERR_CANCEL;
+      }
+
+      memcpy(altsvc_buffer + altsvc_bufferlen, data, len);
+      altsvc_bufferlen += len;
+
+      return 0;
+    }
+
+    int unpack_extension_callback(nghttp2_session *session, void **payload,
+                                  const nghttp2_frame_hd *hd, void *user_data) {
+      uint8_t *origin, *field;
+      size_t originlen, fieldlen;
+      uint8_t *p, *end;
+      alt_svc *altsvc;
+
+      if (altsvc_bufferlen < 2) {
+        altsvc_bufferlen = 0;
+        return NGHTTP2_ERR_CANCEL;
+      }
+
+      p = altsvc_buffer;
+      end = altsvc_buffer + altsvc_bufferlen;
+
+      originlen = ((*p) << 8) + *(p + 1);
+      p += 2;
+
+      if (p + originlen > end) {
+        altsvc_bufferlen = 0;
+        return NGHTTP2_ERR_CANCEL;
+      }
+
+      origin = p;
+      field = p + originlen;
+      fieldlen = end - field;
+
+      altsvc = (alt_svc *)malloc(sizeof(alt_svc));
+      altsvc->origin = origin;
+      altsvc->originlen = originlen;
+      altsvc->field = field;
+      altsvc->fieldlen = fieldlen;
+
+      *payload = altsvc;
+
+      altsvc_bufferlen = 0;
+
+      return 0;
+    }
+
+Set these callbacks to :type:`nghttp2_session_callbacks`:
+
+.. code-block:: c
+
+    nghttp2_session_callbacks_set_on_extension_chunk_recv_callback(
+        callbacks, on_extension_chunk_recv_callback);
+
+    nghttp2_session_callbacks_set_unpack_extension_callback(
+        callbacks, unpack_extension_callback);
+
+
+In ``unpack_extension_callback`` above, we set unpacked ``alt_svc``
+object to ``*payload``.  nghttp2 library then, calls
+:type:`nghttp2_on_frame_recv_callback`, and ``*payload`` will be
+available as ``frame->ext.payload``:
+
+.. code-block:: c
+
+    int on_frame_recv_callback(nghttp2_session *session,
+                               const nghttp2_frame *frame, void *user_data) {
+
+      switch (frame->hd.type) {
+      ...
+      case 0xa: {
+        alt_svc *altsvc = (alt_svc *)frame->ext.payload;
+        fprintf(stderr, "ALTSVC frame received\n");
+        fprintf(stderr, " origin: %.*s\n", (int)altsvc->originlen, altsvc->origin);
+        fprintf(stderr, " field : %.*s\n", (int)altsvc->fieldlen, altsvc->field);
+        free(altsvc);
+        break;
+      }
+      }
+
+      return 0;
+    }
+
+Finally, application should set the extension frame types it is
+willing to receive:
+
+.. code-block:: c
+
+    nghttp2_option_set_user_recv_extension_type(option, 0xa);
+
+The :type:`nghttp2_option` must be set to :type:`nghttp2_session` on
+its creation:
+
+.. code-block:: c
+
+    nghttp2_session_client_new2(&session, callbacks, user_data, option);
+
+How to use built-in HTTP/2 extension frame handlers
+---------------------------------------------------
+
+In the previous section, we talked about the user defined HTTP/2
+extension frames.  In this section, we talk about HTTP/2 extension
+frame support built into nghttp2 library.
+
+As of this writing, nghttp2 supports ALTSVC extension frame.  To send
+ALTSVC frame, use `nghttp2_submit_altsvc()` function.
+
+To receive ALTSVC frame through built-in functionality, application
+has to use `nghttp2_option_set_builtin_recv_extension_type()` to
+indicate the willingness of receiving ALTSVC frame:
+
+.. code-block:: c
+
+    nghttp2_option_set_builtin_recv_extension_type(option, NGHTTP2_ALTSVC);
+
+This is very similar to the case when we used to receive user defined
+frames.
+
+If the same frame type is set using
+`nghttp2_option_set_builtin_recv_extension_type()` and
+`nghttp2_option_set_user_recv_extension_type()`, the latter takes
+precedence.  Application can implement its own frame handler rather
+than using built-in handler.
+
+The :type:`nghttp2_option` must be set to :type:`nghttp2_session` on
+its creation, like so:
+
+.. code-block:: c
+
+    nghttp2_session_client_new2(&session, callbacks, user_data, option);
+
+When ALTSVC is received, :type:`nghttp2_on_frame_recv_callback` will
+be called as usual.
+

doc/sources/building-android-binary.rst

@@ -2,7 +2,7 @@ Building Android binary
 =======================
 
 In this article, we briefly describe how to build Android binary using
-`Android NDK <http://developer.android.com/tools/sdk/ndk/index.html>`_
+`Android NDK <https://developer.android.com/ndk/index.html>`_
 cross-compiler on Debian Linux.
 
 The easiest way to build android binary is use Dockerfile.android.
@@ -17,35 +17,32 @@ installed in the following way.  First, let us introduce
 under ``$ANDROID_HOME/toolchain``.  An user can freely choose the path
 for ``ANDROID_HOME``.  For example, to install toolchain under
 ``$ANDROID_HOME/toolchain``, do this in the the directory where NDK is
-unpacked::
+unpacked:
 
-    $ build/tools/make-standalone-toolchain.sh \
-      --install-dir=$ANDROID_HOME/toolchain \
-      --toolchain=arm-linux-androideabi-4.9 \
-      --llvm-version=3.5 \
-      --platform=android-16
+.. code-block:: text
 
-The additional flag ``--system=linux-x86_64`` may be required if you
-are using x86_64 system.
+    $ build/tools/make_standalone_toolchain.py \
+      --arch arm --api 16 --stl gnustl \
+      --install-dir $ANDROID_HOME/toolchain
 
-The platform level is not important here because we don't use Android
-specific C/C++ API.
+The API level (``--api``) is not important here because we don't use
+Android specific C/C++ API.
 
-The dependent libraries, such as OpenSSL and libev should be built
-with the toolchain and installed under ``$ANDROID_HOME/usr/local``.
-We recommend to build these libraries as static library to make the
-deployment easier.  libxml2 support is currently disabled.
+The dependent libraries, such as OpenSSL, libev, and c-ares should be
+built with the toolchain and installed under
+``$ANDROID_HOME/usr/local``.  We recommend to build these libraries as
+static library to make the deployment easier.  libxml2 support is
+currently disabled.
 
 Although zlib comes with Android NDK, it seems not to be a part of
 public API, so we have to built it for our own.  That also provides us
 proper .pc file as a bonus.
 
-If SPDY support is required for nghttpx and h2load, build and install
-spdylay as well.
-
 Before running ``android-config`` and ``android-make``,
 ``ANDROID_HOME`` environment variable must be set to point to the
-correct path.  Also add ``$ANDROID_HOME/toolchain/bin`` to ``PATH``::
+correct path.  Also add ``$ANDROID_HOME/toolchain/bin`` to ``PATH``:
+
+.. code-block:: text
 
     $ export PATH=$PATH:$ANDROID_HOME/toolchain/bin
 
@@ -66,7 +63,8 @@ To configure OpenSSL, use the following script:
     export CROSS_COMPILE=$TOOLCHAIN/bin/arm-linux-androideabi-
     ./Configure --prefix=$PREFIX android
 
-And run ``make install`` to build and install.
+And run ``make install_sw`` to build and install without
+documentation.
 
 We cannot compile libev without modification.  Apply `this patch
 <https://gist.github.com/tatsuhiro-t/48c45f08950f587180ed>`_ before
@@ -96,6 +94,26 @@ patch, to configure libev, use the following script:
 
 And run ``make install`` to build and install.
 
+To configure c-ares, use the following script:
+
+.. code-block:: sh
+
+    #!/bin/sh -e
+
+    if [ -z "$ANDROID_HOME" ]; then
+        echo 'No $ANDROID_HOME specified.'
+        exit 1
+    fi
+    PREFIX=$ANDROID_HOME/usr/local
+    TOOLCHAIN=$ANDROID_HOME/toolchain
+    PATH=$TOOLCHAIN/bin:$PATH
+
+    ./configure \
+        --host=arm-linux-androideabi \
+        --build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
+        --prefix=$PREFIX \
+        --disable-shared
+
 To configure zlib, use the following script:
 
 .. code-block:: sh
@@ -125,39 +143,13 @@ To configure zlib, use the following script:
 
 And run ``make install`` to build and install.
 
-To configure spdylay, use the following script:
-
-.. code-block:: sh
-
-    #!/bin/sh -e
-
-    if [ -z "$ANDROID_HOME" ]; then
-	echo 'No $ANDROID_HOME specified.'
-	exit 1
-    fi
-    PREFIX=$ANDROID_HOME/usr/local
-    TOOLCHAIN=$ANDROID_HOME/toolchain
-    PATH=$TOOLCHAIN/bin:$PATH
-
-    ./configure \
-	--disable-shared \
-	--host=arm-linux-androideabi \
-	--build=`dpkg-architecture -qDEB_BUILD_GNU_TYPE` \
-	--prefix=$PREFIX \
-	--without-libxml2 \
-	--disable-src \
-	--disable-examples \
-	CPPFLAGS="-I$PREFIX/include" \
-	PKG_CONFIG_LIBDIR="$PREFIX/lib/pkgconfig" \
-	LDFLAGS="-L$PREFIX/lib"
-
-And run ``make install`` to build and install.
-
 After prerequisite libraries are prepared, run ``android-config`` and
 then ``android-make`` to compile nghttp2 source files.
 
 If all went well, application binaries, such as nghttpx, are created
 under src directory.  Strip debugging information from the binary
-using the following command::
+using the following command:
+
+.. code-block:: text
 
     $ arm-linux-androideabi-strip src/nghttpx

doc/sources/contribute.rst

@@ -26,17 +26,16 @@ Coding style
 We use clang-format to format source code consistently.  The
 clang-format configuration file .clang-format is located at the root
 directory.  Since clang-format produces slightly different results
-between versions, we currently use clang-format which comes with
-clang-3.5.
+between versions, we currently use clang-format-8.
 
 To detect any violation to the coding style, we recommend to setup git
 pre-commit hook to check coding style of the changes you introduced.
 The pre-commit file is located at the root directory.  Copy it under
 .git/hooks and make sure that it is executable.  The pre-commit script
 uses clang-format-diff.py to detect any style errors.  If it is not in
-your PATH or it exists under different name (e.g.,
-clang-format-diff-3.5 in debian), either add it to PATH variable or
-add git option ``clangformatdiff.binary`` to point to the script.
+your PATH or it exists under different name (e.g., clang-format-diff-8
+in debian), either add it to PATH variable or add git option
+``clangformatdiff.binary`` to point to the script.
 
 For emacs users, integrating clang-format to emacs is very easy.
 clang-format.el should come with clang distribution.  If it is not

doc/sources/h2load-howto.rst

@@ -1,84 +1,117 @@
+.. program:: h2load
+
 h2load - HTTP/2 benchmarking tool - HOW-TO
 ==========================================
 
-h2load is benchmarking tool for HTTP/2.  If built with
-spdylay (http://tatsuhiro-t.github.io/spdylay/) library, it also
-supports SPDY protocol.  It supports SSL/TLS and clear text for both
-HTTP/2 and SPDY.
+:doc:`h2load.1` is benchmarking tool for HTTP/2 and HTTP/1.1.  It
+supports SSL/TLS and clear text for all supported protocols.
+
+Compiling from source
+---------------------
+
+h2load is compiled alongside nghttp2 and requires that the
+``--enable-app`` flag is passed to ``./configure`` and `required
+dependencies <https://github.com/nghttp2/nghttp2#requirements>`_ are
+available during compilation. For details on compiling, see `nghttp2:
+Building from Git
+<https://github.com/nghttp2/nghttp2#building-from-git>`_.
 
 Basic Usage
 -----------
 
 In order to set benchmark settings, specify following 3 options.
 
-``-n``
+:option:`-n`
     The number of total requests.  Default: 1
 
-``-c``
+:option:`-c`
     The number of concurrent clients.  Default: 1
 
-``-m``
-   The max concurrent streams to issue per client.
-   If ``auto`` is given, the number of given URIs is used.
-   Default: ``auto``
+:option:`-m`
+   The max concurrent streams to issue per client.  Default: 1
+
+For SSL/TLS connection, the protocol will be negotiated via ALPN/NPN.
+You can set specific protocols in :option:`--npn-list` option.  For
+cleartext connection, the default protocol is HTTP/2.  To change the
+protocol in cleartext connection, use :option:`--no-tls-proto` option.
+For convenience, :option:`--h1` option forces HTTP/1.1 for both
+cleartext and SSL/TLS connections.
 
 Here is a command-line to perform benchmark to URI \https://localhost
 using total 100000 requests, 100 concurrent clients and 10 max
-concurrent streams::
+concurrent streams:
+
+.. code-block:: text
 
     $ h2load -n100000 -c100 -m10 https://localhost
 
-The benchmarking result looks like this::
+The benchmarking result looks like this:
 
-    finished in 0 sec, 385 millisec and 851 microsec, 2591 req/s, 1689 kbytes/s
-    requests: 1000 total, 1000 started, 1000 done, 1000 succeeded, 0 failed, 0 errored
-    status codes: 1000 2xx, 0 3xx, 0 4xx, 0 5xx
-    traffic: 667500 bytes total, 28700 bytes headers, 612000 bytes data
+.. code-block:: text
 
-The number of ``failed`` is the number of requests returned with non
-2xx status.  The number of ``error`` is the number of ``failed`` plus
-the number of requests which failed with connection error.
+    finished in 7.08s, 141164.80 req/s, 555.33MB/s
+    requests: 1000000 total, 1000000 started, 1000000 done, 1000000 succeeded, 0 failed, 0 errored, 0 timeout
+    status codes: 1000000 2xx, 0 3xx, 0 4xx, 0 5xx
+    traffic: 4125025824 bytes total, 11023424 bytes headers (space savings 93.07%), 4096000000 bytes data
+                         min         max         mean         sd        +/- sd
+    time for request:    15.31ms    146.85ms     69.78ms      9.26ms    92.43%
+    time for connect:     1.08ms     25.04ms     10.71ms      9.80ms    64.00%
+    time to 1st byte:    25.36ms    184.96ms     79.11ms     53.97ms    78.00%
+    req/s (client)  :    1412.04     1447.84     1426.52       10.57    63.00%
 
-The number of ``total`` in ``traffic`` is the received application
-data.  If SSL/TLS is used, this number is calculated after decryption.
-The number of ``headers`` is the sum of payload size of response
-HEADERS (or SYN_REPLY for SPDY).  This number comes before
-decompressing header block.  The number of ``data`` is the sum of
-response body.
+See the h2load manual page :ref:`h2load-1-output` section for the
+explanation of the above numbers.
+
+Timing-based load-testing
+-------------------------
+
+As of v1.26.0, h2load supports timing-based load-testing.  This method
+performs load-testing in terms of a given duration instead of a
+pre-defined number of requests. The new option :option:`--duration`
+specifies how long the load-testing takes. For example,
+``--duration=10`` makes h2load perform load-testing against a server
+for 10 seconds. You can also specify a “warming-up” period with
+:option:`--warm-up-time`. If :option:`--duration` is used,
+:option:`-n` option is ignored.
+
+The following command performs load-testing for 10 seconds after 5
+seconds warming up period:
+
+.. code-block:: text
+
+    $ h2load -c100 -m100 --duration=10 --warm-up-time=5 https://localhost
 
 Flow Control
 ------------
 
-HTTP/2 and SPDY/3 or later employ flow control and it may affect
-benchmarking results.  By default, h2load uses large enough flow
-control window, which effectively disables flow control.  To adjust
-receiver flow control window size, there are following options:
+HTTP/2 has flow control and it may affect benchmarking results.  By
+default, h2load uses large enough flow control window, which
+effectively disables flow control.  To adjust receiver flow control
+window size, there are following options:
 
-``-w``
+:option:`-w`
    Sets  the stream  level  initial  window size  to
-   (2**<N>)-1.  For SPDY, 2**<N> is used instead.
+   (2**<N>)-1.
 
-``-W``
+:option:`-W`
    Sets the connection level  initial window size to
-   (2**<N>)-1.  For  SPDY, if  <N> is  strictly less
-   than  16,  this  option  is  ignored.   Otherwise
-   2**<N> is used for SPDY.
+   (2**<N>)-1.
 
 Multi-Threading
 ---------------
 
 Sometimes benchmarking client itself becomes a bottleneck.  To remedy
-this situation, use ``-t`` option to specify the number of native
+this situation, use :option:`-t` option to specify the number of native
 thread to use.
 
-``-t``
+:option:`-t`
     The number of native threads. Default: 1
 
 Selecting protocol for clear text
 ---------------------------------
 
 By default, if \http:// URI is given, HTTP/2 protocol is used.  To
-change the protocol to use for clear text, use ``-p`` option.
+change the protocol to use for clear text, use :option:`-p` option.
 
 Multiple URIs
 -------------
@@ -89,3 +122,12 @@ If multiple URIs are specified, they are used in round robin manner.
 
     Please note that h2load uses scheme, host and port in the first URI
     and ignores those parts in the rest of the URIs.
+
+UNIX domain socket
+------------------
+
+To request against UNIX domain socket, use :option:`--base-uri`, and
+specify ``unix:`` followed by the path to UNIX domain socket.  For
+example, if UNIX domain socket is ``/tmp/nghttpx.sock``, use
+``--base-uri=unix:/tmp/nghttpx.sock``.  h2load uses scheme, host and
+port in the first URI in command-line or input file.

doc/sources/index.rst

@@ -6,10 +6,10 @@
 nghttp2 - HTTP/2 C Library
 ============================
 
-This is an experimental implementation of Hypertext Transfer Protocol
-version 2.
+This is an implementation of Hypertext Transfer Protocol version 2.
 
-The project is hosted at `github.com/tatsuhiro-t/nghttp2 <https://github.com/tatsuhiro-t/nghttp2>`_.
+The project is hosted at `github.com/nghttp2/nghttp2
+<https://github.com/nghttp2/nghttp2>`_.
 
 Contents:
 
@@ -37,17 +37,18 @@ Contents:
    asio_http2_server.h
    asio_http2_client.h
    asio_http2.h
-   Source <https://github.com/tatsuhiro-t/nghttp2>
-   Issues <https://github.com/tatsuhiro-t/nghttp2/issues>
+   Source <https://github.com/nghttp2/nghttp2>
+   Issues <https://github.com/nghttp2/nghttp2/issues>
    nghttp2.org <https://nghttp2.org/>
 
 Released Versions
 =================
 
-https://github.com/tatsuhiro-t/nghttp2/releases
+https://github.com/nghttp2/nghttp2/releases
 
 Resources
 ---------
 
 * HTTP/2 https://tools.ietf.org/html/rfc7540
 * HPACK https://tools.ietf.org/html/rfc7541
+* HTTP Alternative Services https://tools.ietf.org/html/rfc7838

doc/sources/libnghttp2_asio.rst

@@ -290,7 +290,7 @@ Normally, client does not stop even after all requests are done unless
 connection is lost.  To stop client, call
 ``nghttp2::asio_http2::server::session::shutdown()``.
 
-Recieve server push and enable SSL/TLS
+Receive server push and enable SSL/TLS
 ++++++++++++++++++++++++++++++++++++++
 
 .. code-block:: cpp

doc/sources/nghttpx-howto.rst

@@ -1,8 +1,10 @@
+.. program:: nghttpx
+
 nghttpx - HTTP/2 proxy - HOW-TO
 ===============================
 
-nghttpx is a proxy translating protocols between HTTP/2 and other
-protocols (e.g., HTTP/1, SPDY).  It operates in several modes and each
+:doc:`nghttpx.1` is a proxy translating protocols between HTTP/2 and
+other protocols (e.g., HTTP/1).  It operates in several modes and each
 mode may require additional programs to work with.  This article
 describes each operation mode and explains the intended use-cases.  It
 also covers some useful options later.
@@ -10,74 +12,94 @@ also covers some useful options later.
 Default mode
 ------------
 
-If nghttpx is invoked without any ``-s``, ``-p`` and ``--client``, it
-operates in default mode.  In this mode, nghttpx frontend listens for
-HTTP/2 requests and translates them to HTTP/1 requests.  Thus it works
-as reverse proxy (gateway) for HTTP/2 clients to HTTP/1 web server.
-HTTP/1 requests are also supported in frontend as a fallback.  If
-nghttpx is linked with spdylay library and frontend connection is
-SSL/TLS, the frontend also supports SPDY protocol.
+If nghttpx is invoked without :option:`--http2-proxy`, it operates in
+default mode.  In this mode, it works as reverse proxy (gateway) for
+both HTTP/2 and HTTP/1 clients to backend servers.  This is also known
+as "HTTP/2 router".
 
-By default, this mode's frontend connection is encrypted using
-SSL/TLS.  So server's private key and certificate must be supplied to
-the command line (or through configuration file).  In this case, the
-frontend protocol selection will be done via ALPN or NPN.
+By default, frontend connection is encrypted using SSL/TLS.  So
+server's private key and certificate must be supplied to the command
+line (or through configuration file).  In this case, the frontend
+protocol selection will be done via ALPN or NPN.
 
-With ``--frontend-no-tls`` option, user can turn off SSL/TLS in
-frontend connection.  In this case, SPDY protocol is not available
-even if spdylay library is liked to nghttpx.  HTTP/2 and HTTP/1 are
-available on the frontend and a HTTP/1 connection can be upgraded to
-HTTP/2 using HTTP Upgrade.  Starting HTTP/2 connection by sending
-HTTP/2 connection preface is also supported.
+To turn off encryption on frontend connection, use ``no-tls`` keyword
+in :option:`--frontend` option.  HTTP/2 and HTTP/1 are available on
+the frontend, and an HTTP/1 connection can be upgraded to HTTP/2 using
+HTTP Upgrade.  Starting HTTP/2 connection by sending HTTP/2 connection
+preface is also supported.
 
-The backend is supposed to be HTTP/1 Web server.  For example, to make
+nghttpx can listen on multiple frontend addresses.  This is achieved
+by using multiple :option:`--frontend` options.  For each frontend
+address, TLS can be enabled or disabled.
+
+By default, backend connections are not encrypted.  To enable TLS
+encryption on backend connections, use ``tls`` keyword in
+:option:`--backend` option.  Using patterns and ``proto`` keyword in
+:option:`--backend` option, backend application protocol can be
+specified per host/request path pattern.  It means that you can use
+both HTTP/2 and HTTP/1 in backend connections at the same time.  Note
+that default backend protocol is HTTP/1.1.  To use HTTP/2 in backend,
+you have to specify ``h2`` in ``proto`` keyword in :option:`--backend`
+explicitly.
+
+The backend is supposed to be a Web server.  For example, to make
 nghttpx listen to encrypted HTTP/2 requests at port 8443, and a
-backend HTTP/1 web server is configured to listen to HTTP/1 request at
-port 8080 in the same host, run nghttpx command-line like this::
+backend Web server is configured to listen to HTTP requests at port
+8080 on the same host, run nghttpx command-line like this:
+
+.. code-block:: text
 
     $ nghttpx -f0.0.0.0,8443 -b127.0.0.1,8080 /path/to/server.key /path/to/server.crt
 
-Then HTTP/2 enabled client can access to the nghttpx in HTTP/2.  For
-example, you can send GET request to the server using nghttp::
+Then an HTTP/2 enabled client can access the nghttpx server using HTTP/2.  For
+example, you can send a GET request using nghttp:
+
+.. code-block:: text
 
     $ nghttp -nv https://localhost:8443/
 
 HTTP/2 proxy mode
 -----------------
 
-If nghttpx is invoked with ``-s`` option, it operates in HTTP/2 proxy
-mode.  The supported protocols in frontend and backend connections are
-the same in `default mode`_.  The difference is that this mode acts
-like forward proxy and assumes the backend is HTTP/1 proxy server
-(e.g., squid, traffic server).  So HTTP/1 request must include
-absolute URI in request line.
+If nghttpx is invoked with :option:`--http2-proxy` (or its shorthand
+:option:`-s`) option, it operates in HTTP/2 proxy mode.  The supported
+protocols in frontend and backend connections are the same as in `default
+mode`_.  The difference is that this mode acts like a forward proxy and
+assumes the backend is an HTTP proxy server (e.g., Squid, Apache Traffic
+Server).  HTTP/1 requests must include an absolute URI in request line.
 
-By default, frontend connection is encrypted.  So this mode is also
-called secure proxy.  If nghttpx is linked with spdylay, it supports
-SPDY protocols and it works as so called SPDY proxy.
+By default, the frontend connection is encrypted.  So this mode is
+also called secure proxy.
 
-With ``--frontend-no-tls`` option, SSL/TLS is turned off in frontend
-connection, so the connection gets insecure.
+To turn off encryption on the frontend connection, use ``no-tls`` keyword
+in :option:`--frontend` option.
 
-The backend must be HTTP/1 proxy server.  nghttpx supports multiple
-backend server addresses.  It translates incoming requests to HTTP/1
+The backend must be an HTTP proxy server.  nghttpx supports multiple
+backend server addresses.  It translates incoming requests to HTTP
 request to backend server.  The backend server performs real proxy
 work for each request, for example, dispatching requests to the origin
 server and caching contents.
 
+The backend connection is not encrypted by default.  To enable
+encryption, use ``tls`` keyword in :option:`--backend` option.  The
+default backend protocol is HTTP/1.1.  To use HTTP/2 in backend
+connection, use :option:`--backend` option, and specify ``h2`` in
+``proto`` keyword explicitly.
+
 For example, to make nghttpx listen to encrypted HTTP/2 requests at
-port 8443, and a backend HTTP/1 proxy server is configured to listen
-to HTTP/1 request at port 8080 in the same host, run nghttpx
-command-line like this::
+port 8443, and a backend HTTP proxy server is configured to listen to
+HTTP/1 requests at port 8080 on the same host, run nghttpx command-line
+like this:
+
+.. code-block:: text
 
     $ nghttpx -s -f'*,8443' -b127.0.0.1,8080 /path/to/server.key /path/to/server.crt
 
-At the time of this writing, Firefox nightly supports HTTP/2 proxy.
-Chromium can use nghttpx as secure (SPDY) proxy and will support
-HTTP/2 proxy in the near future.
+At the time of this writing, Firefox 41 and Chromium v46 can use
+nghttpx as HTTP/2 proxy.
 
-To make Firefox nightly or Chromium use nghttpx as HTTP/2 or SPDY
-proxy, user has to create proxy.pac script file like this:
+To make Firefox or Chromium use nghttpx as HTTP/2 proxy, user has to
+create proxy.pac script file like this:
 
 .. code-block:: javascript
 
@@ -86,158 +108,84 @@ proxy, user has to create proxy.pac script file like this:
     }
 
 ``SERVERADDR`` and ``PORT`` is the hostname/address and port of the
-machine nghttpx is running.  Please note that both Firefox nightly and
+machine nghttpx is running.  Please note that both Firefox and
 Chromium require valid certificate for secure proxy.
 
-For Firefox nightly, open Preference window and select Advanced then
-click Network tab.  Clicking Connection Settings button will show the
+For Firefox, open Preference window and select Advanced then click
+Network tab.  Clicking Connection Settings button will show the
 dialog.  Select "Automatic proxy configuration URL" and enter the path
-to proxy.pac file, something like this::
+to proxy.pac file, something like this:
+
+.. code-block:: text
 
     file:///path/to/proxy.pac
 
-For Chromium, use following command-line::
+For Chromium, use following command-line:
+
+.. code-block:: text
 
     $ google-chrome --proxy-pac-url=file:///path/to/proxy.pac --use-npn
 
 As HTTP/1 proxy server, Squid may work as out-of-box.  Traffic server
 requires to be configured as forward proxy.  Here is the minimum
-configuration items to edit::
+configuration items to edit:
+
+.. code-block:: text
 
     CONFIG proxy.config.reverse_proxy.enabled INT 0
     CONFIG proxy.config.url_remap.remap_required INT 0
 
 Consult Traffic server `documentation
-<https://docs.trafficserver.apache.org/en/latest/admin/forward-proxy.en.html>`_
+<http://trafficserver.readthedocs.org/en/latest/admin-guide/configuration/transparent-forward-proxying.en.html>`_
 to know how to configure traffic server as forward proxy and its
 security implications.
 
-Client mode
------------
+ALPN support
+------------
 
-If nghttpx is invoked with ``--client`` option, it operates in client
-mode.  In this mode, nghttpx listens for plain, unencrypted HTTP/2 and
-HTTP/1 requests and translates them to encrypted HTTP/2 requests to
-the backend.  User cannot enable SSL/TLS in frontend connection.
+ALPN support requires OpenSSL >= 1.0.2.
 
-HTTP/1 frontend connection can be upgraded to HTTP/2 using HTTP
-Upgrade.  To disable SSL/TLS in backend connection, use
-``--backend-no-tls`` option.
+Disable frontend SSL/TLS
+------------------------
 
-By default, the number of backend HTTP/2 connections per worker
-(thread) is determined by number of ``-b`` option.  To adjust this
-value, use ``--backend-http2-connections-per-worker`` option.
+The frontend connections are encrypted with SSL/TLS by default.  To
+turn off SSL/TLS, use ``no-tls`` keyword in :option:`--frontend`
+option.  If this option is used, the private key and certificate are
+not required to run nghttpx.
 
-The backend server is supporsed to be a HTTP/2 web server (e.g.,
-nghttpd).  The one use-case of this mode is utilize existing HTTP/1
-clients to test HTTP/2 deployment.  Suppose that HTTP/2 web server
-listens to port 80 without encryption.  Then run nghttpx as client
-mode to access to that web server::
+Enable backend SSL/TLS
+----------------------
 
-    $ nghttpx --client -f127.0.0.1,8080 -b127.0.0.1,80 --backend-no-tls
+The backend connections are not encrypted by default.  To enable
+SSL/TLS encryption, use ``tls`` keyword in :option:`--backend` option.
 
-.. note::
+Enable SSL/TLS on memcached connection
+--------------------------------------
 
-    You may need ``-k`` option if HTTP/2 server enables SSL/TLS and
-    its certificate is self-signed. But please note that it is
-    insecure.
+By default, memcached connection is not encrypted.  To enable
+encryption, use ``tls`` keyword in
+:option:`--tls-ticket-key-memcached` for TLS ticket key, and
+:option:`--tls-session-cache-memcached` for TLS session cache.
 
-Then you can use curl to access HTTP/2 server via nghttpx::
+Specifying additional server certificates
+-----------------------------------------
 
-    $ curl http://localhost:8080/
-
-Client proxy mode
------------------
-
-If nghttpx is invoked with ``-p`` option, it operates in client proxy
-mode.  This mode behaves like `client mode`_, but it works like
-forward proxy.  So HTTP/1 request must include absolute URI in request
-line.
-
-HTTP/1 frontend connection can be upgraded to HTTP/2 using HTTP
-Upgrade.  To disable SSL/TLS in backend connection, use
-``--backend-no-tls`` option.
-
-By default, the number of backend HTTP/2 connections per worker
-(thread) is determined by number of ``-b`` option.  To adjust this
-value, use ``--backend-http2-connections-per-worker`` option.
-
-The backend server must be a HTTP/2 proxy.  You can use nghttpx in
-`HTTP/2 proxy mode`_ as backend server.  The one use-case of this mode
-is utilize existing HTTP/1 clients to test HTTP/2 connections between
-2 proxies. The another use-case is use this mode to aggregate local
-HTTP/1 connections to one HTTP/2 backend encrypted connection.  This
-makes HTTP/1 clients which does not support secure proxy can use
-secure HTTP/2 proxy via nghttpx client mode.
-
-Suppose that HTTP/2 proxy listens to port 8443, just like we saw in
-`HTTP/2 proxy mode`_.  To run nghttpx in client proxy mode to access
-that server, invoke nghttpx like this::
-
-    $ nghttpx -p -f127.0.0.1,8080 -b127.0.0.1,8443
-
-.. note::
-
-    You may need ``-k`` option if HTTP/2 server's certificate is
-    self-signed. But please note that it is insecure.
-
-Then you can use curl to issue HTTP request via HTTP/2 proxy::
-
-    $ curl --http-proxy=http://localhost:8080 http://www.google.com/
-
-You can configure web browser to use localhost:8080 as forward
-proxy.
-
-HTTP/2 bridge mode
-------------------
-
-If nghttpx is invoked with ``--http2-bridge`` option, it operates in
-HTTP/2 bridge mode.  The supported protocols in frontend connections
-are the same in `default mode`_.  The protocol in backend is HTTP/2
-only.
-
-With ``--frontend-no-tls`` option, SSL/TLS is turned off in frontend
-connection, so the connection gets insecure.  To disable SSL/TLS in
-backend connection, use ``--backend-no-tls`` option.
-
-By default, the number of backend HTTP/2 connections per worker
-(thread) is determined by number of ``-b`` option.  To adjust this
-value, use ``--backend-http2-connections-per-worker`` option.
-
-The backend server is supporsed to be a HTTP/2 web server or HTTP/2
-proxy.  If backend server is HTTP/2 proxy, use
-``--no-location-rewrite`` and ``--no-host-rewrite`` options to disable
-rewriting location, host and :authority header field.
-
-The use-case of this mode is aggregate the incoming connections to one
-HTTP/2 connection.  One backend HTTP/2 connection is created per
-worker (thread).
-
-Disable SSL/TLS
----------------
-
-In `default mode`_, `HTTP/2 proxy mode`_ and `HTTP/2 bridge mode`_,
-frontend connections are encrypted with SSL/TLS by default.  To turn
-off SSL/TLS, use ``--frontend-no-tls`` option.  If this option is
-used, the private key and certificate are not required to run nghttpx.
-
-In `client mode`_, `client proxy mode`_ and `HTTP/2 bridge mode`_,
-backend connections are encrypted with SSL/TLS by default.  To turn
-off SSL/TLS, use ``--backend-no-tls`` option.
+nghttpx accepts additional server private key and certificate pairs
+using :option:`--subcert` option.  It can be used multiple times.
 
 Specifying additional CA certificate
 ------------------------------------
 
 By default, nghttpx tries to read CA certificate from system.  But
 depending on the system you use, this may fail or is not supported.
-To specify CA certificate manually, use ``--cacert`` option.  The
-specified file must be PEM format and can contain multiple
+To specify CA certificate manually, use :option:`--cacert` option.
+The specified file must be PEM format and can contain multiple
 certificates.
 
 By default, nghttpx validates server's certificate.  If you want to
 turn off this validation, knowing this is really insecure and what you
-are doing, you can use ``-k`` option to disable certificate
-validation.
+are doing, you can use :option:`--insecure` option to disable
+certificate validation.
 
 Read/write rate limit
 ---------------------
@@ -246,9 +194,9 @@ nghttpx supports transfer rate limiting on frontend connections.  You
 can do rate limit per frontend connection for reading and writing
 individually.
 
-To perform rate limit for reading, use ``--read-rate`` and
-``--read-burst`` options.  For writing, use ``--write-rate`` and
-``--write-burst``.
+To perform rate limit for reading, use :option:`--read-rate` and
+:option:`--read-burst` options.  For writing, use
+:option:`--write-rate` and :option:`--write-burst`.
 
 Please note that rate limit is performed on top of TCP and nothing to
 do with HTTP/2 flow control.
@@ -259,17 +207,17 @@ Rewriting location header field
 nghttpx automatically rewrites location response header field if the
 following all conditions satisfy:
 
-* URI in location header field is not absolute URI or is not https URI.
+* In the default mode (:option:`--http2-proxy` is not used)
+* :option:`--no-location-rewrite` is not used
+* URI in location header field is an absolute URI
 * URI in location header field includes non empty host component.
 * host (without port) in URI in location header field must match the
-  host appearing in :authority or host header field.
+  host appearing in ``:authority`` or ``host`` header field.
 
-When rewrite happens, URI scheme and port are replaced with the ones
-used in frontend, and host is replaced with which appears in
-:authority or host request header field.  :authority header field has
-precedence.  If the above conditions are not met with the host value
-in :authority header field, rewrite is retried with the value in host
-header field.
+When rewrite happens, URI scheme is replaced with the ones used in
+frontend, and authority is replaced with which appears in
+``:authority``, or ``host`` request header field.  ``:authority``
+header field has precedence over ``host``.
 
 Hot swapping
 ------------
@@ -277,12 +225,21 @@ Hot swapping
 nghttpx supports hot swapping using signals.  The hot swapping in
 nghttpx is multi step process.  First send USR2 signal to nghttpx
 process.  It will do fork and execute new executable, using same
-command-line arguments and environment variables.  At this point, both
-current and new processes can accept requests.  To gracefully shutdown
-current process, send QUIT signal to current nghttpx process.  When
-all existing frontend connections are done, the current process will
-exit.  At this point, only new nghttpx process exists and serves
-incoming requests.
+command-line arguments and environment variables.
+
+As of nghttpx version 1.20.0, that is all you have to do.  The new
+master process sends QUIT signal to the original process, when it is
+ready to serve requests, to shut it down gracefully.
+
+For earlier versions of nghttpx, you have to do one more thing.  At
+this point, both current and new processes can accept requests.  To
+gracefully shutdown current process, send QUIT signal to current
+nghttpx process.  When all existing frontend connections are done, the
+current process will exit.  At this point, only new nghttpx process
+exists and serves incoming requests.
+
+If you want to just reload configuration file without executing new
+binary, send SIGHUP to nghttpx master process.
 
 Re-opening log files
 --------------------
@@ -290,14 +247,332 @@ Re-opening log files
 When rotating log files, it is desirable to re-open log files after
 log rotation daemon renamed existing log files.  To tell nghttpx to
 re-open log files, send USR1 signal to nghttpx process.  It will
-re-open files specified by ``--accesslog-file`` and
-``--errorlog-file`` options.
+re-open files specified by :option:`--accesslog-file` and
+:option:`--errorlog-file` options.
+
+Multiple frontend addresses
+---------------------------
+
+nghttpx can listen on multiple frontend addresses.  To specify them,
+just use :option:`--frontend` (or its shorthand :option:`-f`) option
+repeatedly.  TLS can be enabled or disabled per frontend address
+basis.  For example, to listen on port 443 with TLS enabled, and on
+port 80 without TLS:
+
+.. code-block:: text
+
+   frontend=*,443
+   frontend=*,80;no-tls
+
 
 Multiple backend addresses
 --------------------------
 
 nghttpx supports multiple backend addresses.  To specify them, just
-use ``-b`` option repeatedly.  For example, to use backend1:8080 and
-backend2:8080, use command-line like this: ``-bbackend1,8080
--bbackend2,8080``.  For HTTP/2 backend, see also
-``--backend-http2-connections-per-worker`` option.
+use :option:`--backend` (or its shorthand :option:`-b`) option
+repeatedly.  For example, to use ``192.168.0.10:8080`` and
+``192.168.0.11:8080``, use command-line like this:
+``-b192.168.0.10,8080 -b192.168.0.11,8080``.  In configuration file,
+this looks like:
+
+.. code-block:: text
+
+   backend=192.168.0.10,8080
+   backend=192.168.0.11,8008
+
+nghttpx can route request to different backend according to request
+host and path.  For example, to route request destined to host
+``doc.example.com`` to backend server ``docserv:3000``, you can write
+like so:
+
+.. code-block:: text
+
+   backend=docserv,3000;doc.example.com/
+
+When you write this option in command-line, you should enclose
+argument with single or double quotes, since the character ``;`` has a
+special meaning in shell.
+
+To route, request to request path ``/foo`` to backend server
+``[::1]:8080``, you can write like so:
+
+.. code-block:: text
+
+   backend=::1,8080;/foo
+
+If the last character of path pattern is ``/``, all request paths
+which start with that pattern match:
+
+.. code-block:: text
+
+   backend=::1,8080;/bar/
+
+The request path ``/bar/buzz`` matches the ``/bar/``.
+
+You can use ``*`` at the end of the path pattern to make it wildcard
+pattern.  ``*`` must match at least one character:
+
+.. code-block:: text
+
+   backend=::1,8080;/sample*
+
+The request path ``/sample1/foo`` matches the ``/sample*`` pattern.
+
+Of course, you can specify both host and request path at the same
+time:
+
+.. code-block:: text
+
+   backend=192.168.0.10,8080;example.com/foo
+
+We can use ``*`` in the left most position of host to achieve wildcard
+suffix match.  If ``*`` is the left most character, then the remaining
+string should match the request host suffix.  ``*`` must match at
+least one character.  For example, ``*.example.com`` matches
+``www.example.com`` and ``dev.example.com``, and does not match
+``example.com`` and ``nghttp2.org``.  The exact match (without ``*``)
+always takes precedence over wildcard match.
+
+One important thing you have to remember is that we have to specify
+default routing pattern for so called "catch all" pattern.  To write
+"catch all" pattern, just specify backend server address, without
+pattern.
+
+Usually, host is the value of ``Host`` header field.  In HTTP/2, the
+value of ``:authority`` pseudo header field is used.
+
+When you write multiple backend addresses sharing the same routing
+pattern, they are used as load balancing.  For example, to use 2
+servers ``serv1:3000`` and ``serv2:3000`` for request host
+``example.com`` and path ``/myservice``, you can write like so:
+
+.. code-block:: text
+
+   backend=serv1,3000;example.com/myservice
+   backend=serv2,3000;example.com/myservice
+
+You can also specify backend application protocol in
+:option:`--backend` option using ``proto`` keyword after pattern.
+Utilizing this allows ngttpx to route certain request to HTTP/2, other
+requests to HTTP/1.  For example, to route requests to ``/ws/`` in
+backend HTTP/1.1 connection, and use backend HTTP/2 for other
+requests, do this:
+
+.. code-block:: text
+
+   backend=serv1,3000;/;proto=h2
+   backend=serv1,3000;/ws/;proto=http/1.1
+
+The default backend protocol is HTTP/1.1.
+
+TLS can be enabled per pattern basis:
+
+.. code-block:: text
+
+   backend=serv1,8443;/;proto=h2;tls
+   backend=serv2,8080;/ws/;proto=http/1.1
+
+In the above case, connection to serv1 will be encrypted by TLS.  On
+the other hand, connection to serv2 will not be encrypted by TLS.
+
+Dynamic hostname lookup
+-----------------------
+
+By default, nghttpx performs backend hostname lookup at start up, or
+configuration reload, and keeps using them in its entire session.  To
+make nghttpx perform hostname lookup dynamically, use ``dns``
+parameter in :option:`--backend` option, like so:
+
+.. code-block:: text
+
+   backend=foo.example.com,80;;dns
+
+nghttpx will cache resolved addresses for certain period of time.  To
+change this cache period, use :option:`--dns-cache-timeout`.
+
+Enable PROXY protocol
+---------------------
+
+PROXY protocol can be enabled per frontend.  In order to enable PROXY
+protocol, use ``proxyproto`` parameter in :option:`--frontend` option,
+like so:
+
+.. code-block:: text
+
+   frontend=*,443;proxyproto
+
+Session affinity
+----------------
+
+Two kinds of session affinity are available: client IP, and HTTP
+Cookie.
+
+To enable client IP based affinity, specify ``affinity=ip`` parameter
+in :option:`--backend` option.  If PROXY protocol is enabled, then an
+address obtained from PROXY protocol is taken into consideration.
+
+To enable HTTP Cookie based affinity, specify ``affinity=cookie``
+parameter, and specify a name of cookie in ``affinity-cookie-name``
+parameter.  Optionally, a Path attribute can be specified in
+``affinity-cookie-path`` parameter:
+
+.. code-block:: text
+
+   backend=127.0.0.1,3000;;affinity=cookie;affinity-cookie-name=nghttpxlb;affinity-cookie-path=/
+
+Secure attribute of cookie is set if client connection is protected by
+TLS.
+
+PSK cipher suites
+-----------------
+
+nghttpx supports pre-shared key (PSK) cipher suites for both frontend
+and backend TLS connections.  For frontend connection, use
+:option:`--psk-secrets` option to specify a file which contains PSK
+identity and secrets.  The format of the file is
+``<identity>:<hex-secret>``, where ``<identity>`` is PSK identity, and
+``<hex-secret>`` is PSK secret in hex, like so:
+
+.. code-block:: text
+
+   client1:9567800e065e078085c241d54a01c6c3f24b3bab71a606600f4c6ad2c134f3b9
+   client2:b1376c3f8f6dcf7c886c5bdcceecd1e6f1d708622b6ddd21bda26ebd0c0bca99
+
+nghttpx server accepts any of the identity and secret pairs in the
+file.  The default cipher suite list does not contain PSK cipher
+suites.  In order to use PSK, PSK cipher suite must be enabled by
+using :option:`--ciphers` option.  The desired PSK cipher suite may be
+listed in `HTTP/2 cipher black list
+<https://tools.ietf.org/html/rfc7540#appendix-A>`_.  In order to use
+such PSK cipher suite with HTTP/2, disable HTTP/2 cipher black list by
+using :option:`--no-http2-cipher-black-list` option.  But you should
+understand its implications.
+
+At the time of writing, even if only PSK cipher suites are specified
+in :option:`--ciphers` option, certificate and private key are still
+required.
+
+For backend connection, use :option:`--client-psk-secrets` option to
+specify a file which contains single PSK identity and secret.  The
+format is the same as the file used by :option:`--psk-secrets`
+described above, but only first identity and secret pair is solely
+used, like so:
+
+.. code-block:: text
+
+   client2:b1376c3f8f6dcf7c886c5bdcceecd1e6f1d708622b6ddd21bda26ebd0c0bca99
+
+The default cipher suite list does not contain PSK cipher suites.  In
+order to use PSK, PSK cipher suite must be enabled by using
+:option:`--client-ciphers` option.  The desired PSK cipher suite may
+be listed in `HTTP/2 cipher black list
+<https://tools.ietf.org/html/rfc7540#appendix-A>`_.  In order to use
+such PSK cipher suite with HTTP/2, disable HTTP/2 cipher black list by
+using :option:`--client-no-http2-cipher-black-list` option.  But you
+should understand its implications.
+
+TLSv1.3
+-------
+
+As of nghttpx v1.34.0, if it is built with OpenSSL 1.1.1 or later, it
+supports TLSv1.3.  0-RTT data is supported, but by default its
+processing is postponed until TLS handshake completes to mitigate
+replay attack.  This costs extra round trip and reduces effectiveness
+of 0-RTT data.  :option:`--tls-no-postpone-early-data` makes nghttpx
+not wait for handshake to complete before forwarding request included
+in 0-RTT to get full potential of 0-RTT data.  In this case, nghttpx
+adds ``Early-Data: 1`` header field when forwarding a request to a
+backend server.  All backend servers should recognize this header
+field and understand that there is a risk for replay attack.  See `RFC
+8470 <https://tools.ietf.org/html/rfc8470>`_ for ``Early-Data`` header
+field.
+
+nghttpx disables anti replay protection provided by OpenSSL.  The anti
+replay protection of OpenSSL requires that a resumed request must hit
+the same server which generates the session ticket.  Therefore it
+might not work nicely in a deployment where there are multiple nghttpx
+instances sharing ticket encryption keys via memcached.
+
+Because TLSv1.3 completely changes the semantics of cipher suite
+naming scheme and structure, nghttpx provides the new option
+:option:`--tls13-ciphers` and :option:`--tls13-client-ciphers` to
+change preferred cipher list for TLSv1.3.
+
+WebSockets over HTTP/2
+----------------------
+
+nghttpx supports `RFC 8441 <https://tools.ietf.org/html/rfc8441>`_
+Bootstrapping WebSockets with HTTP/2 for both frontend and backend
+connections.  This feature is enabled by default and no configuration
+is required.
+
+Migration from nghttpx v1.18.x or earlier
+-----------------------------------------
+
+As of nghttpx v1.19.0, :option:`--ciphers` option only changes cipher
+list for frontend TLS connection.  In order to change cipher list for
+backend connection, use :option:`--client-ciphers` option.
+
+Similarly, :option:`--no-http2-cipher-black-list` option only disables
+HTTP/2 cipher black list for frontend connection.  In order to disable
+HTTP/2 cipher black list for backend connection, use
+:option:`--client-no-http2-cipher-black-list` option.
+
+``--accept-proxy-protocol`` option was deprecated.  Instead, use
+``proxyproto`` parameter in :option:`--frontend` option to enable
+PROXY protocol support per frontend.
+
+Migration from nghttpx v1.8.0 or earlier
+----------------------------------------
+
+As of nghttpx 1.9.0, ``--frontend-no-tls`` and ``--backend-no-tls``
+have been removed.
+
+To disable encryption on frontend connection, use ``no-tls`` keyword
+in :option:`--frontend` potion:
+
+.. code-block:: text
+
+   frontend=*,3000;no-tls
+
+The TLS encryption is now disabled on backend connection in all modes
+by default.  To enable encryption on backend connection, use ``tls``
+keyword in :option:`--backend` option:
+
+.. code-block:: text
+
+   backend=127.0.0.1,8080;tls
+
+As of nghttpx 1.9.0, ``--http2-bridge``, ``--client`` and
+``--client-proxy`` options have been removed.  These functionality can
+be used using combinations of options.
+
+Use following option instead of ``--http2-bridge``:
+
+.. code-block:: text
+
+   backend=<ADDR>,<PORT>;;proto=h2;tls
+
+Use following options instead of ``--client``:
+
+.. code-block:: text
+
+   frontend=<ADDR>,<PORT>;no-tls
+   backend=<ADDR>,<PORT>;;proto=h2;tls
+
+Use following options instead of ``--client-proxy``:
+
+.. code-block:: text
+
+   http2-proxy=yes
+   frontend=<ADDR>,<PORT>;no-tls
+   backend=<ADDR>,<PORT>;;proto=h2;tls
+
+We also removed ``--backend-http2-connections-per-worker`` option.  It
+was present because previously the number of backend h2 connection was
+statically configured, and defaulted to 1.  Now the number of backend
+h2 connection is increased on demand.  We know the maximum number of
+concurrent streams per connection.  When we push as many request as
+the maximum concurrency to the one connection, we create another new
+connection so that we can distribute load and avoid delay the request
+processing.  This is done automatically without any configuration.

doc/sources/python-apiref.rst

@@ -13,7 +13,7 @@ The extension module is called ``nghttp2``.
 determined by configure script.  If the detected Python version is not
 what you expect, specify a path to Python executable in ``PYTHON``
 variable as an argument to configure script (e.g., ``./configure
-PYTHON=/usr/bin/python3.4``).
+PYTHON=/usr/bin/python3.5``).
 
 HPACK API
 ---------
@@ -136,13 +136,15 @@ HTTP/2 servers
 
 .. note::
 
-   We use :py:mod:`asyncio` for HTTP/2 server classes.  Therefore,
-   Python 3.4 or later is required to use these objects.  To
-   explicitly configure nghttp2 build to use Python 3.4, specify the
-   ``PYTHON`` variable to the path to Python 3.4 executable when
-   invoking configure script like this::
+   We use :py:mod:`asyncio` for HTTP/2 server classes, and ALPN.
+   Therefore, Python 3.5 or later is required to use these objects.
+   To explicitly configure nghttp2 build to use Python 3.5, specify
+   the ``PYTHON`` variable to the path to Python 3.5 executable when
+   invoking configure script like this:
 
-       $ ./configure PYTHON=/usr/bin/python3.4
+   .. code-block:: text
+
+       $ ./configure PYTHON=/usr/bin/python3.5
 
 .. py:class:: HTTP2Server(address, RequestHandlerClass, ssl=None)
 

doc/sources/tutorial-client.rst

@@ -7,7 +7,9 @@ the end of this page.  It also resides in the examples directory in
 the archive or repository.
 
 This simple client takes a single HTTPS URI and retrieves the resource
-at the URI. The synopsis is::
+at the URI. The synopsis is:
+
+.. code-block:: text
 
     $ libevent-client HTTPS_URI
 
@@ -31,6 +33,17 @@ protocol the library supports::
       return SSL_TLSEXT_ERR_OK;
     }
 
+If you are following TLS related RFC, you know that NPN is not the
+standardized way to negotiate HTTP/2.  NPN itself is not event
+published as RFC.  The standard way to negotiate HTTP/2 is ALPN,
+Application-Layer Protocol Negotiation Extension, defined in `RFC 7301
+<https://tools.ietf.org/html/rfc7301>`_.  The one caveat of ALPN is
+that OpenSSL >= 1.0.2 is required.  We use macro to enable/disable
+ALPN support depending on OpenSSL version.  OpenSSL's ALPN
+implementation does not require callback function like the above.  But
+we have to instruct OpenSSL SSL_CTX to use ALPN, which we'll talk
+about soon.
+
 The callback is added to the SSL_CTX object using
 ``SSL_CTX_set_next_proto_select_cb()``::
 
@@ -46,9 +59,18 @@ The callback is added to the SSL_CTX object using
                               SSL_OP_NO_COMPRESSION |
                               SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
       SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_next_proto_cb, NULL);
+
+    #if OPENSSL_VERSION_NUMBER >= 0x10002000L
+      SSL_CTX_set_alpn_protos(ssl_ctx, (const unsigned char *)"\x02h2", 3);
+    #endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
       return ssl_ctx;
     }
 
+Here we see ``SSL_CTX_get_alpn_protos()`` function call.  We instructs
+OpenSSL to notify the server that we support h2, ALPN identifier for
+HTTP/2.
+
 The example client defines a couple of structs:
 
 We define and use a ``http2_session_data`` structure to store data
@@ -102,6 +124,7 @@ remote server. It's defined as::
       bev = bufferevent_openssl_socket_new(
           evbase, -1, ssl, BUFFEREVENT_SSL_CONNECTING,
           BEV_OPT_DEFER_CALLBACKS | BEV_OPT_CLOSE_ON_FREE);
+      bufferevent_enable(bev, EV_READ | EV_WRITE);
       bufferevent_setcb(bev, readcb, writecb, eventcb, session_data);
       rv = bufferevent_socket_connect_hostname(bev, session_data->dnsbase,
                                                AF_UNSPEC, host, port);
@@ -124,7 +147,27 @@ underlying network socket::
       if (events & BEV_EVENT_CONNECTED) {
         int fd = bufferevent_getfd(bev);
         int val = 1;
+        const unsigned char *alpn = NULL;
+        unsigned int alpnlen = 0;
+        SSL *ssl;
+
         fprintf(stderr, "Connected\n");
+
+        ssl = bufferevent_openssl_get_ssl(session_data->bev);
+
+        SSL_get0_next_proto_negotiated(ssl, &alpn, &alpnlen);
+    #if OPENSSL_VERSION_NUMBER >= 0x10002000L
+        if (alpn == NULL) {
+          SSL_get0_alpn_selected(ssl, &alpn, &alpnlen);
+        }
+    #endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
+        if (alpn == NULL || alpnlen != 2 || memcmp("h2", alpn, 2) != 0) {
+          fprintf(stderr, "h2 is not negotiated\n");
+          delete_http2_session_data(session_data);
+          return;
+        }
+
         setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
         initialize_nghttp2_session(session_data);
         send_client_connection_header(session_data);
@@ -144,6 +187,9 @@ underlying network socket::
       delete_http2_session_data(session_data);
     }
 
+Here we validate that HTTP/2 is negotiated, and if not, drop
+connection.
+
 For ``BEV_EVENT_EOF``, ``BEV_EVENT_ERROR``, and ``BEV_EVENT_TIMEOUT``
 events, we just simply tear down the connection.
 
@@ -269,7 +315,7 @@ data is available to read from the bufferevent input buffer::
         delete_http2_session_data(session_data);
         return;
       }
-      if (evbuffer_drain(input, readlen) != 0) {
+      if (evbuffer_drain(input, (size_t)readlen) != 0) {
         warnx("Fatal error: evbuffer_drain failed");
         delete_http2_session_data(session_data);
         return;
@@ -309,7 +355,7 @@ defined as::
       http2_session_data *session_data = (http2_session_data *)user_data;
       struct bufferevent *bev = session_data->bev;
       bufferevent_write(bev, data, length);
-      return length;
+      return (ssize_t)length;
     }
 
 Since we use bufferevent to abstract network I/O, we just write the

doc/sources/tutorial-hpack.rst

@@ -78,15 +78,16 @@ header data.  To initialize the object, use
 
     int nghttp2_hd_inflate_new(nghttp2_hd_inflater **inflater_ptr);
 
-To inflate header data, use `nghttp2_hd_inflate_hd()`::
+To inflate header data, use `nghttp2_hd_inflate_hd2()`::
 
-    ssize_t nghttp2_hd_inflate_hd(nghttp2_hd_inflater *inflater,
-                                  nghttp2_nv *nv_out, int *inflate_flags,
-                                  uint8_t *in, size_t inlen, int in_final);
+    ssize_t nghttp2_hd_inflate_hd2(nghttp2_hd_inflater *inflater,
+                                   nghttp2_nv *nv_out, int *inflate_flags,
+                                   const uint8_t *in, size_t inlen,
+                                   int in_final);
 
-`nghttp2_hd_inflate_hd()` reads a stream of bytes and outputs a single
-header field at a time. Multiple calls are normally required to read a
-full stream of bytes and output all of the header fields.
+`nghttp2_hd_inflate_hd2()` reads a stream of bytes and outputs a
+single header field at a time. Multiple calls are normally required to
+read a full stream of bytes and output all of the header fields.
 
 The *inflater* is the inflater object initialized above.  The *nv_out*
 is a pointer to a :type:`nghttp2_nv` into which one header field may
@@ -118,11 +119,7 @@ If *in_final* is zero and the :macro:`NGHTTP2_HD_INFLATE_EMIT` flag is
 not set, it indicates that all given data was processed.  The caller
 is required to pass additional data.
 
-It is important to note that the function may produce one or more
-header fields even if *inlen* is 0 when *in_final* is nonzero, due to
-differential encoding.
-
-Example usage of `nghttp2_hd_inflate_hd()` is shown in the
+Example usage of `nghttp2_hd_inflate_hd2()` is shown in the
 `inflate_header_block()` function in `deflate.c`_.
 
 Finally, to delete a :type:`nghttp2_hd_inflater` object, use

doc/sources/tutorial-server.rst

@@ -10,7 +10,9 @@ archive or repository.
 
 This simple server takes 3 arguments: The port number to listen on,
 the path to your SSL/TLS private key file, and the path to your
-certificate file.  The synopsis is::
+certificate file.  The synopsis is:
+
+.. code-block:: text
 
     $ libevent-server PORT /path/to/server.key /path/to/server.crt
 
@@ -25,7 +27,17 @@ application protocols the server supports to a client.  In this
 example program, when creating the ``SSL_CTX`` object, we store the
 application protocol name in the wire format of NPN in a statically
 allocated buffer. This is safe because we only create one ``SSL_CTX``
-object in the program's entire lifetime::
+object in the program's entire lifetime.
+
+If you are following TLS related RFC, you know that NPN is not the
+standardized way to negotiate HTTP/2.  NPN itself is not even
+published as RFC.  The standard way to negotiate HTTP/2 is ALPN,
+Application-Layer Protocol Negotiation Extension, defined in `RFC 7301
+<https://tools.ietf.org/html/rfc7301>`_.  The one caveat of ALPN is
+that OpenSSL >= 1.0.2 is required.  We use macro to enable/disable
+ALPN support depending on OpenSSL version.  In ALPN, client sends the
+list of supported application protocols, and server selects one of
+them.  We provide the callback for it::
 
     static unsigned char next_proto_list[256];
     static size_t next_proto_list_len;
@@ -37,6 +49,22 @@ object in the program's entire lifetime::
       return SSL_TLSEXT_ERR_OK;
     }
 
+    #if OPENSSL_VERSION_NUMBER >= 0x10002000L
+    static int alpn_select_proto_cb(SSL *ssl _U_, const unsigned char **out,
+                                    unsigned char *outlen, const unsigned char *in,
+                                    unsigned int inlen, void *arg _U_) {
+      int rv;
+
+      rv = nghttp2_select_next_protocol((unsigned char **)out, outlen, in, inlen);
+
+      if (rv != 1) {
+        return SSL_TLSEXT_ERR_NOACK;
+      }
+
+      return SSL_TLSEXT_ERR_OK;
+    }
+    #endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
     static SSL_CTX *create_ssl_ctx(const char *key_file, const char *cert_file) {
       SSL_CTX *ssl_ctx;
       EC_KEY *ecdh;
@@ -51,6 +79,11 @@ object in the program's entire lifetime::
       next_proto_list_len = 1 + NGHTTP2_PROTO_VERSION_ID_LEN;
 
       SSL_CTX_set_next_protos_advertised_cb(ssl_ctx, next_proto_cb, NULL);
+
+    #if OPENSSL_VERSION_NUMBER >= 0x10002000L
+      SSL_CTX_set_alpn_select_cb(ssl_ctx, alpn_select_proto_cb, NULL);
+    #endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
       return ssl_ctx;
     }
 
@@ -64,6 +97,11 @@ OpenSSL implementation, we just assign the pointer to the NPN buffers
 we filled in earlier. The NPN callback function is set to the
 ``SSL_CTX`` object using ``SSL_CTX_set_next_protos_advertised_cb()``.
 
+In ``alpn_select_proto_cb()``, we use `nghttp2_select_next_protocol()`
+to select application protocol.  The `nghttp2_select_next_protocol()`
+returns 1 only if it selected h2 (ALPN identifier for HTTP/2), and out
+parameters were assigned accordingly.
+
 Next, let's take a look at the main structures used by the example
 application:
 
@@ -132,7 +170,7 @@ libevent's ``struct evconnlistener`` is used for this purpose::
         struct evconnlistener *listener;
         listener = evconnlistener_new_bind(
             evbase, acceptcb, app_ctx, LEV_OPT_CLOSE_ON_FREE | LEV_OPT_REUSEABLE,
-            16, rp->ai_addr, rp->ai_addrlen);
+            16, rp->ai_addr, (int)rp->ai_addrlen);
         if (listener) {
           freeaddrinfo(res);
 
@@ -167,11 +205,31 @@ underlying network socket::
     static void eventcb(struct bufferevent *bev _U_, short events, void *ptr) {
       http2_session_data *session_data = (http2_session_data *)ptr;
       if (events & BEV_EVENT_CONNECTED) {
+        const unsigned char *alpn = NULL;
+        unsigned int alpnlen = 0;
+        SSL *ssl;
+
         fprintf(stderr, "%s connected\n", session_data->client_addr);
 
+        ssl = bufferevent_openssl_get_ssl(session_data->bev);
+
+        SSL_get0_next_proto_negotiated(ssl, &alpn, &alpnlen);
+    #if OPENSSL_VERSION_NUMBER >= 0x10002000L
+        if (alpn == NULL) {
+          SSL_get0_alpn_selected(ssl, &alpn, &alpnlen);
+        }
+    #endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
+
+        if (alpn == NULL || alpnlen != 2 || memcmp("h2", alpn, 2) != 0) {
+          fprintf(stderr, "%s h2 is not negotiated\n", session_data->client_addr);
+          delete_http2_session_data(session_data);
+          return;
+        }
+
         initialize_nghttp2_session(session_data);
 
-        if (send_server_connection_header(session_data) != 0) {
+        if (send_server_connection_header(session_data) != 0 ||
+            session_send(session_data) != 0) {
           delete_http2_session_data(session_data);
           return;
         }
@@ -188,6 +246,9 @@ underlying network socket::
       delete_http2_session_data(session_data);
     }
 
+Here we validate that HTTP/2 is negotiated, and if not, drop
+connection.
+
 For the ``BEV_EVENT_EOF``, ``BEV_EVENT_ERROR``, and
 ``BEV_EVENT_TIMEOUT`` events, we just simply tear down the connection.
 The ``delete_http2_session_data()`` function destroys the
@@ -272,7 +333,7 @@ this pending data. To process the received data, we call the
         warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
         return -1;
       }
-      if (evbuffer_drain(input, readlen) != 0) {
+      if (evbuffer_drain(input, (size_t)readlen) != 0) {
         warnx("Fatal error: evbuffer_drain failed");
         return -1;
       }
@@ -316,7 +377,7 @@ follows::
         return NGHTTP2_ERR_WOULDBLOCK;
       }
       bufferevent_write(bev, data, length);
-      return length;
+      return (ssize_t)length;
     }
 
 Since we use bufferevent to abstract network I/O, we just write the

examples/CMakeLists.txt

@@ -0,0 +1,57 @@
+if(ENABLE_EXAMPLES)
+  file(GLOB c_sources *.c)
+  set_source_files_properties(${c_sources} PROPERTIES
+    COMPILE_FLAGS "${WARNCFLAGS}")
+  file(GLOB cxx_sources *.cc)
+  set_source_files_properties(${cxx_sources} PROPERTIES
+    COMPILE_FLAGS "${WARNCXXFLAGS} ${CXX1XCXXFLAGS}")
+
+  include_directories(
+    ${CMAKE_CURRENT_SOURCE_DIR}
+    "${CMAKE_CURRENT_SOURCE_DIR}/../third-party"
+    "${CMAKE_CURRENT_SOURCE_DIR}/../third-party/llhttp/include"
+
+    ${LIBEVENT_INCLUDE_DIRS}
+    ${OPENSSL_INCLUDE_DIRS}
+  )
+
+  link_libraries(
+    nghttp2
+    ${LIBEVENT_OPENSSL_LIBRARIES}
+    ${OPENSSL_LIBRARIES}
+    ${APP_LIBRARIES}
+  )
+
+  add_executable(client           client.c $<TARGET_OBJECTS:llhttp>
+    $<TARGET_OBJECTS:url-parser>
+  )
+  add_executable(libevent-client  libevent-client.c $<TARGET_OBJECTS:llhttp>
+    $<TARGET_OBJECTS:url-parser>
+  )
+  add_executable(libevent-server  libevent-server.c $<TARGET_OBJECTS:llhttp>
+    $<TARGET_OBJECTS:url-parser>
+  )
+  add_executable(deflate          deflate.c $<TARGET_OBJECTS:llhttp>
+    $<TARGET_OBJECTS:url-parser>
+  )
+
+  if(ENABLE_ASIO_LIB)
+    foreach(name asio-sv asio-sv2 asio-cl asio-cl2)
+      add_executable(${name} ${name}.cc $<TARGET_OBJECTS:llhttp>
+        $<TARGET_OBJECTS:url-parser>
+      )
+      target_include_directories(${name} PRIVATE
+        ${OPENSSL_INCLUDE_DIRS}
+        ${Boost_INCLUDE_DIRS}
+      )
+      target_link_libraries(${name}
+        nghttp2
+        nghttp2_asio
+        ${JEMALLOC_LIBRARIES}
+        ${OPENSSL_LIBRARIES}
+        ${Boost_LIBRARIES}
+        ${APP_LIBRARIES}
+      )
+    endforeach()
+  endif()
+endif()

examples/Makefile.am

@@ -21,11 +21,13 @@
 # OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
 # WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
+EXTRA_DIST = CMakeLists.txt
+
 if ENABLE_EXAMPLES
 
 AM_CFLAGS = $(WARNCFLAGS)
+AM_CXXFLAGS = $(WARNCXXFLAGS) $(CXX1XCXXFLAGS)
 AM_CPPFLAGS = \
-	-Wall \
 	-I$(top_srcdir)/lib/includes \
 	-I$(top_builddir)/lib/includes \
 	-I$(top_srcdir)/src/includes \
@@ -34,9 +36,10 @@ AM_CPPFLAGS = \
 	@OPENSSL_CFLAGS@ \
 	@DEFS@
 LDADD = $(top_builddir)/lib/libnghttp2.la \
-	$(top_builddir)/third-party/libhttp-parser.la \
+	$(top_builddir)/third-party/liburl-parser.la \
 	@LIBEVENT_OPENSSL_LIBS@ \
-	@OPENSSL_LIBS@
+	@OPENSSL_LIBS@ \
+	@APPLDFLAGS@
 
 noinst_PROGRAMS = client libevent-client libevent-server deflate
 
@@ -48,14 +51,6 @@ libevent_server_SOURCES = libevent-server.c
 
 deflate_SOURCES = deflate.c
 
-if ENABLE_TINY_NGHTTPD
-
-noinst_PROGRAMS += tiny-nghttpd
-
-tiny_nghttpd_SOURCES = tiny-nghttpd.c
-
-endif # ENABLE_TINY_NGHTTPD
-
 if ENABLE_ASIO_LIB
 
 noinst_PROGRAMS += asio-sv asio-sv2 asio-cl asio-cl2
@@ -66,12 +61,12 @@ noinst_PROGRAMS += asio-sv asio-sv2 asio-cl asio-cl2
 ASIOCPPFLAGS = ${AM_CPPFLAGS} ${BOOST_CPPFLAGS}
 ASIOLDADD = $(top_builddir)/lib/libnghttp2.la \
 	$(top_builddir)/src/libnghttp2_asio.la @JEMALLOC_LIBS@ \
-	$(top_builddir)/third-party/libhttp-parser.la \
+	$(top_builddir)/third-party/liburl-parser.la \
+	@OPENSSL_LIBS@ \
 	${BOOST_LDFLAGS} \
 	${BOOST_ASIO_LIB} \
 	${BOOST_THREAD_LIB} \
 	${BOOST_SYSTEM_LIB} \
-	@OPENSSL_LIBS@ \
 	@APPLDFLAGS@
 
 asio_sv_SOURCES = asio-sv.cc

examples/asio-cl.cc

@@ -67,14 +67,14 @@ int main(int argc, char *argv[]) {
         return;
       }
 
-      req->on_response([&sess](const response &res) {
+      req->on_response([](const response &res) {
         std::cerr << "HTTP/2 " << res.status_code() << std::endl;
         for (auto &kv : res.header()) {
           std::cerr << kv.first << ": " << kv.second.value << "\n";
         }
         std::cerr << std::endl;
 
-        res.on_data([&sess](const uint8_t *data, std::size_t len) {
+        res.on_data([](const uint8_t *data, std::size_t len) {
           std::cerr.write(reinterpret_cast<const char *>(data), len);
           std::cerr << std::endl;
         });

examples/asio-cl2.cc

@@ -91,17 +91,17 @@ int main(int argc, char *argv[]) {
         return;
       }
 
-      req->on_response([&sess, req](const response &res) {
+      req->on_response([](const response &res) {
         std::cerr << "response header was received" << std::endl;
         print_header(res);
 
-        res.on_data([&sess](const uint8_t *data, std::size_t len) {
+        res.on_data([](const uint8_t *data, std::size_t len) {
           std::cerr.write(reinterpret_cast<const char *>(data), len);
           std::cerr << std::endl;
         });
       });
 
-      req->on_close([&sess](uint32_t error_code) {
+      req->on_close([](uint32_t error_code) {
         std::cerr << "request done with error_code=" << error_code << std::endl;
       });
 

examples/asio-sv2.cc

@@ -36,10 +36,10 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #ifdef HAVE_UNISTD_H
-#include <unistd.h>
+#  include <unistd.h>
 #endif // HAVE_UNISTD_H
 #ifdef HAVE_FCNTL_H
-#include <fcntl.h>
+#  include <fcntl.h>
 #endif // HAVE_FCNTL_H
 #include <iostream>
 #include <string>

examples/client.c

@@ -27,32 +27,34 @@
  * intentionally made simple.
  */
 #ifdef HAVE_CONFIG_H
-#include <config.h>
+#  include <config.h>
 #endif /* HAVE_CONFIG_H */
 
 #include <inttypes.h>
 #include <stdlib.h>
 #ifdef HAVE_UNISTD_H
-#include <unistd.h>
+#  include <unistd.h>
 #endif /* HAVE_UNISTD_H */
 #ifdef HAVE_FCNTL_H
-#include <fcntl.h>
+#  include <fcntl.h>
 #endif /* HAVE_FCNTL_H */
 #include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
+#  include <sys/socket.h>
 #endif /* HAVE_SYS_SOCKET_H */
 #ifdef HAVE_NETDB_H
-#include <netdb.h>
+#  include <netdb.h>
 #endif /* HAVE_NETDB_H */
 #ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
+#  include <netinet/in.h>
 #endif /* HAVE_NETINET_IN_H */
 #include <netinet/tcp.h>
 #include <poll.h>
 #include <signal.h>
 #include <stdio.h>
 #include <assert.h>
+#include <string.h>
+#include <errno.h>
 
 #include <nghttp2/nghttp2.h>
 
@@ -64,13 +66,13 @@ enum { IO_NONE, WANT_READ, WANT_WRITE };
 
 #define MAKE_NV(NAME, VALUE)                                                   \
   {                                                                            \
-    (uint8_t *) NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1,   \
+    (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1,    \
         NGHTTP2_NV_FLAG_NONE                                                   \
   }
 
 #define MAKE_NV_CS(NAME, VALUE)                                                \
   {                                                                            \
-    (uint8_t *) NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, strlen(VALUE),       \
+    (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, strlen(VALUE),        \
         NGHTTP2_NV_FLAG_NONE                                                   \
   }
 
@@ -124,6 +126,7 @@ static char *strcopy(const char *s, size_t len) {
 /*
  * Prints error message |msg| and exit.
  */
+NGHTTP2_NORETURN
 static void die(const char *msg) {
   fprintf(stderr, "FATAL: %s\n", msg);
   exit(EXIT_FAILURE);
@@ -133,6 +136,7 @@ static void die(const char *msg) {
  * Prints error containing the function name |func| and message |msg|
  * and exit.
  */
+NGHTTP2_NORETURN
 static void dief(const char *func, const char *msg) {
   fprintf(stderr, "FATAL: %s: %s\n", func, msg);
   exit(EXIT_FAILURE);
@@ -142,6 +146,7 @@ static void dief(const char *func, const char *msg) {
  * Prints error containing the function name |func| and error code
  * |error_code| and exit.
  */
+NGHTTP2_NORETURN
 static void diec(const char *func, int error_code) {
   fprintf(stderr, "FATAL: %s: error_code=%d, msg=%s\n", func, error_code,
           nghttp2_strerror(error_code));
@@ -154,10 +159,13 @@ static void diec(const char *func, int error_code) {
  * bytes actually written. See the documentation of
  * nghttp2_send_callback for the details.
  */
-static ssize_t send_callback(nghttp2_session *session _U_, const uint8_t *data,
-                             size_t length, int flags _U_, void *user_data) {
+static ssize_t send_callback(nghttp2_session *session, const uint8_t *data,
+                             size_t length, int flags, void *user_data) {
   struct Connection *connection;
   int rv;
+  (void)session;
+  (void)flags;
+
   connection = (struct Connection *)user_data;
   connection->want_io = IO_NONE;
   ERR_clear_error();
@@ -181,10 +189,13 @@ static ssize_t send_callback(nghttp2_session *session _U_, const uint8_t *data,
  * |length| bytes. Returns the number of bytes stored in |buf|. See
  * the documentation of nghttp2_recv_callback for the details.
  */
-static ssize_t recv_callback(nghttp2_session *session _U_, uint8_t *buf,
-                             size_t length, int flags _U_, void *user_data) {
+static ssize_t recv_callback(nghttp2_session *session, uint8_t *buf,
+                             size_t length, int flags, void *user_data) {
   struct Connection *connection;
   int rv;
+  (void)session;
+  (void)flags;
+
   connection = (struct Connection *)user_data;
   connection->want_io = IO_NONE;
   ERR_clear_error();
@@ -205,18 +216,19 @@ static ssize_t recv_callback(nghttp2_session *session _U_, uint8_t *buf,
 }
 
 static int on_frame_send_callback(nghttp2_session *session,
-                                  const nghttp2_frame *frame,
-                                  void *user_data _U_) {
+                                  const nghttp2_frame *frame, void *user_data) {
   size_t i;
+  (void)user_data;
+
   switch (frame->hd.type) {
   case NGHTTP2_HEADERS:
     if (nghttp2_session_get_stream_user_data(session, frame->hd.stream_id)) {
       const nghttp2_nv *nva = frame->headers.nva;
       printf("[INFO] C ----------------------------> S (HEADERS)\n");
       for (i = 0; i < frame->headers.nvlen; ++i) {
-        fwrite(nva[i].name, nva[i].namelen, 1, stdout);
+        fwrite(nva[i].name, 1, nva[i].namelen, stdout);
         printf(": ");
-        fwrite(nva[i].value, nva[i].valuelen, 1, stdout);
+        fwrite(nva[i].value, 1, nva[i].valuelen, stdout);
         printf("\n");
       }
     }
@@ -232,9 +244,10 @@ static int on_frame_send_callback(nghttp2_session *session,
 }
 
 static int on_frame_recv_callback(nghttp2_session *session,
-                                  const nghttp2_frame *frame,
-                                  void *user_data _U_) {
+                                  const nghttp2_frame *frame, void *user_data) {
   size_t i;
+  (void)user_data;
+
   switch (frame->hd.type) {
   case NGHTTP2_HEADERS:
     if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE) {
@@ -244,9 +257,9 @@ static int on_frame_recv_callback(nghttp2_session *session,
       if (req) {
         printf("[INFO] C <---------------------------- S (HEADERS)\n");
         for (i = 0; i < frame->headers.nvlen; ++i) {
-          fwrite(nva[i].name, nva[i].namelen, 1, stdout);
+          fwrite(nva[i].name, 1, nva[i].namelen, stdout);
           printf(": ");
-          fwrite(nva[i].value, nva[i].valuelen, 1, stdout);
+          fwrite(nva[i].value, 1, nva[i].valuelen, stdout);
           printf("\n");
         }
       }
@@ -269,9 +282,11 @@ static int on_frame_recv_callback(nghttp2_session *session,
  * we submit GOAWAY and close the session.
  */
 static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
-                                    uint32_t error_code _U_,
-                                    void *user_data _U_) {
+                                    uint32_t error_code, void *user_data) {
   struct Request *req;
+  (void)error_code;
+  (void)user_data;
+
   req = nghttp2_session_get_stream_user_data(session, stream_id);
   if (req) {
     int rv;
@@ -284,17 +299,17 @@ static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
   return 0;
 }
 
-#define MAX_OUTLEN 4096
-
 /*
  * The implementation of nghttp2_on_data_chunk_recv_callback type. We
  * use this function to print the received response body.
  */
-static int on_data_chunk_recv_callback(nghttp2_session *session,
-                                       uint8_t flags _U_, int32_t stream_id,
-                                       const uint8_t *data, size_t len,
-                                       void *user_data _U_) {
+static int on_data_chunk_recv_callback(nghttp2_session *session, uint8_t flags,
+                                       int32_t stream_id, const uint8_t *data,
+                                       size_t len, void *user_data) {
   struct Request *req;
+  (void)flags;
+  (void)user_data;
+
   req = nghttp2_session_get_stream_user_data(session, stream_id);
   if (req) {
     printf("[INFO] C <---------------------------- S (DATA chunk)\n"
@@ -330,15 +345,19 @@ static void setup_nghttp2_callbacks(nghttp2_session_callbacks *callbacks) {
       callbacks, on_data_chunk_recv_callback);
 }
 
+#ifndef OPENSSL_NO_NEXTPROTONEG
 /*
  * Callback function for TLS NPN. Since this program only supports
  * HTTP/2 protocol, if server does not offer HTTP/2 the nghttp2
  * library supports, we terminate program.
  */
-static int select_next_proto_cb(SSL *ssl _U_, unsigned char **out,
+static int select_next_proto_cb(SSL *ssl, unsigned char **out,
                                 unsigned char *outlen, const unsigned char *in,
-                                unsigned int inlen, void *arg _U_) {
+                                unsigned int inlen, void *arg) {
   int rv;
+  (void)ssl;
+  (void)arg;
+
   /* nghttp2_select_next_protocol() selects HTTP/2 protocol the
      nghttp2 library supports. */
   rv = nghttp2_select_next_protocol(out, outlen, in, inlen);
@@ -347,6 +366,7 @@ static int select_next_proto_cb(SSL *ssl _U_, unsigned char **out,
   }
   return SSL_TLSEXT_ERR_OK;
 }
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
 
 /*
  * Setup SSL/TLS context.
@@ -357,7 +377,9 @@ static void init_ssl_ctx(SSL_CTX *ssl_ctx) {
   SSL_CTX_set_mode(ssl_ctx, SSL_MODE_AUTO_RETRY);
   SSL_CTX_set_mode(ssl_ctx, SSL_MODE_RELEASE_BUFFERS);
   /* Set NPN callback */
+#ifndef OPENSSL_NO_NEXTPROTONEG
   SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_next_proto_cb, NULL);
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
 }
 
 static void ssl_handshake(SSL *ssl, int fd) {
@@ -560,7 +582,11 @@ static void fetch_uri(const struct URI *uri) {
     diec("nghttp2_session_client_new", rv);
   }
 
-  nghttp2_submit_settings(connection.session, NGHTTP2_FLAG_NONE, NULL, 0);
+  rv = nghttp2_submit_settings(connection.session, NGHTTP2_FLAG_NONE, NULL, 0);
+
+  if (rv != 0) {
+    diec("nghttp2_submit_settings", rv);
+  }
 
   /* Submit the HTTP request to the outbound queue. */
   submit_request(&connection, &req);
@@ -657,10 +683,10 @@ static int parse_uri(struct URI *res, const char *uri) {
         return -1;
       }
       offset = i;
-      res->port = port;
+      res->port = (uint16_t)port;
     }
   }
-  res->hostportlen = uri + offset + ipv6addr - res->host;
+  res->hostportlen = (size_t)(uri + offset + ipv6addr - res->host);
   for (i = offset; i < len; ++i) {
     if (uri[i] == '#') {
       break;
@@ -691,8 +717,6 @@ int main(int argc, char **argv) {
 
   SSL_load_error_strings();
   SSL_library_init();
-  OpenSSL_add_all_algorithms();
-  OPENSSL_config(NULL);
 
   rv = parse_uri(&uri, argv[1]);
   if (rv != 0) {

examples/deflate.c

@@ -23,7 +23,7 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 #ifdef HAVE_CONFIG_H
-#include <config.h>
+#  include <config.h>
 #endif /* !HAVE_CONFIG_H */
 
 #include <stdio.h>
@@ -33,7 +33,7 @@
 
 #define MAKE_NV(K, V)                                                          \
   {                                                                            \
-    (uint8_t *) K, (uint8_t *)V, sizeof(K) - 1, sizeof(V) - 1,                 \
+    (uint8_t *)K, (uint8_t *)V, sizeof(K) - 1, sizeof(V) - 1,                  \
         NGHTTP2_NV_FLAG_NONE                                                   \
   }
 
@@ -44,7 +44,7 @@ static void deflate(nghttp2_hd_deflater *deflater,
 static int inflate_header_block(nghttp2_hd_inflater *inflater, uint8_t *in,
                                 size_t inlen, int final);
 
-int main(int argc _U_, char **argv _U_) {
+int main() {
   int rv;
   nghttp2_hd_deflater *deflater;
   nghttp2_hd_inflater *inflater;
@@ -109,9 +109,9 @@ static void deflate(nghttp2_hd_deflater *deflater,
   printf("Input (%zu byte(s)):\n\n", sum);
 
   for (i = 0; i < nvlen; ++i) {
-    fwrite(nva[i].name, nva[i].namelen, 1, stdout);
+    fwrite(nva[i].name, 1, nva[i].namelen, stdout);
     printf(": ");
-    fwrite(nva[i].value, nva[i].valuelen, 1, stdout);
+    fwrite(nva[i].value, 1, nva[i].valuelen, stdout);
     printf("\n");
   }
 
@@ -129,10 +129,10 @@ static void deflate(nghttp2_hd_deflater *deflater,
     exit(EXIT_FAILURE);
   }
 
-  outlen = rv;
+  outlen = (size_t)rv;
 
   printf("\nDeflate (%zu byte(s), ratio %.02f):\n\n", outlen,
-         sum == 0 ? 0 : (double)outlen / sum);
+         sum == 0 ? 0 : (double)outlen / (double)sum);
 
   for (i = 0; i < outlen; ++i) {
     if ((i & 0x0fu) == 0) {
@@ -180,15 +180,15 @@ int inflate_header_block(nghttp2_hd_inflater *inflater, uint8_t *in,
       return -1;
     }
 
-    proclen = rv;
+    proclen = (size_t)rv;
 
     in += proclen;
     inlen -= proclen;
 
     if (inflate_flags & NGHTTP2_HD_INFLATE_EMIT) {
-      fwrite(nv.name, nv.namelen, 1, stderr);
+      fwrite(nv.name, 1, nv.namelen, stderr);
       fprintf(stderr, ": ");
-      fwrite(nv.value, nv.valuelen, 1, stderr);
+      fwrite(nv.value, 1, nv.valuelen, stderr);
       fprintf(stderr, "\n");
     }
 

examples/libevent-client.c

@@ -23,35 +23,36 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 #ifdef __sgi
-#include <string.h>
-#define errx(exitcode, format, args...)                                        \
-  {                                                                            \
-    warnx(format, ##args);                                                     \
-    exit(exitcode);                                                            \
-  }
-#define warnx(format, args...) fprintf(stderr, format "\n", ##args)
+#  include <string.h>
+#  define errx(exitcode, format, args...)                                      \
+    {                                                                          \
+      warnx(format, ##args);                                                   \
+      exit(exitcode);                                                          \
+    }
+#  define warnx(format, args...) fprintf(stderr, format "\n", ##args)
 char *strndup(const char *s, size_t size);
 #endif
 
 #ifdef HAVE_CONFIG_H
-#include <config.h>
+#  include <config.h>
 #endif /* HAVE_CONFIG_H */
 
 #include <sys/types.h>
 #ifdef HAVE_UNISTD_H
-#include <unistd.h>
+#  include <unistd.h>
 #endif /* HAVE_UNISTD_H */
 #ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
+#  include <sys/socket.h>
 #endif /* HAVE_SYS_SOCKET_H */
 #ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
+#  include <netinet/in.h>
 #endif /* HAVE_NETINET_IN_H */
 #include <netinet/tcp.h>
 #ifndef __sgi
-#include <err.h>
+#  include <err.h>
 #endif
 #include <signal.h>
+#include <string.h>
 
 #include <openssl/ssl.h>
 #include <openssl/err.h>
@@ -64,7 +65,7 @@ char *strndup(const char *s, size_t size);
 
 #include <nghttp2/nghttp2.h>
 
-#include "http-parser/http_parser.h"
+#include "url-parser/url_parser.h"
 
 #define ARRLEN(x) (sizeof(x) / sizeof(x[0]))
 
@@ -109,8 +110,8 @@ static http2_stream_data *create_http2_stream_data(const char *uri,
          u->field_data[UF_HOST].len);
   if (u->field_set & (1 << UF_PORT)) {
     stream_data->authoritylen +=
-        snprintf(stream_data->authority + u->field_data[UF_HOST].len, extra,
-                 ":%u", u->port);
+        (size_t)snprintf(stream_data->authority + u->field_data[UF_HOST].len,
+                         extra, ":%u", u->port);
   }
 
   /* If we don't have path in URI, we use "/" as path. */
@@ -120,7 +121,7 @@ static http2_stream_data *create_http2_stream_data(const char *uri,
   }
   if (u->field_set & (1 << UF_QUERY)) {
     /* +1 for '?' character */
-    stream_data->pathlen += u->field_data[UF_QUERY].len + 1;
+    stream_data->pathlen += (size_t)(u->field_data[UF_QUERY].len + 1);
   }
 
   stream_data->path = malloc(stream_data->pathlen);
@@ -178,9 +179,9 @@ static void delete_http2_session_data(http2_session_data *session_data) {
 
 static void print_header(FILE *f, const uint8_t *name, size_t namelen,
                          const uint8_t *value, size_t valuelen) {
-  fwrite(name, namelen, 1, f);
+  fwrite(name, 1, namelen, f);
   fprintf(f, ": ");
-  fwrite(value, valuelen, 1, f);
+  fwrite(value, 1, valuelen, f);
   fprintf(f, "\n");
 }
 
@@ -198,22 +199,27 @@ static void print_headers(FILE *f, nghttp2_nv *nva, size_t nvlen) {
 /* nghttp2_send_callback. Here we transmit the |data|, |length| bytes,
    to the network. Because we are using libevent bufferevent, we just
    write those bytes into bufferevent buffer. */
-static ssize_t send_callback(nghttp2_session *session _U_, const uint8_t *data,
-                             size_t length, int flags _U_, void *user_data) {
+static ssize_t send_callback(nghttp2_session *session, const uint8_t *data,
+                             size_t length, int flags, void *user_data) {
   http2_session_data *session_data = (http2_session_data *)user_data;
   struct bufferevent *bev = session_data->bev;
+  (void)session;
+  (void)flags;
+
   bufferevent_write(bev, data, length);
-  return length;
+  return (ssize_t)length;
 }
 
 /* nghttp2_on_header_callback: Called when nghttp2 library emits
    single header name/value pair. */
-static int on_header_callback(nghttp2_session *session _U_,
+static int on_header_callback(nghttp2_session *session,
                               const nghttp2_frame *frame, const uint8_t *name,
                               size_t namelen, const uint8_t *value,
-                              size_t valuelen, uint8_t flags _U_,
-                              void *user_data) {
+                              size_t valuelen, uint8_t flags, void *user_data) {
   http2_session_data *session_data = (http2_session_data *)user_data;
+  (void)session;
+  (void)flags;
+
   switch (frame->hd.type) {
   case NGHTTP2_HEADERS:
     if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
@@ -228,10 +234,12 @@ static int on_header_callback(nghttp2_session *session _U_,
 
 /* nghttp2_on_begin_headers_callback: Called when nghttp2 library gets
    started to receive header block. */
-static int on_begin_headers_callback(nghttp2_session *session _U_,
+static int on_begin_headers_callback(nghttp2_session *session,
                                      const nghttp2_frame *frame,
                                      void *user_data) {
   http2_session_data *session_data = (http2_session_data *)user_data;
+  (void)session;
+
   switch (frame->hd.type) {
   case NGHTTP2_HEADERS:
     if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
@@ -246,9 +254,11 @@ static int on_begin_headers_callback(nghttp2_session *session _U_,
 
 /* nghttp2_on_frame_recv_callback: Called when nghttp2 library
    received a complete frame from the remote peer. */
-static int on_frame_recv_callback(nghttp2_session *session _U_,
+static int on_frame_recv_callback(nghttp2_session *session,
                                   const nghttp2_frame *frame, void *user_data) {
   http2_session_data *session_data = (http2_session_data *)user_data;
+  (void)session;
+
   switch (frame->hd.type) {
   case NGHTTP2_HEADERS:
     if (frame->headers.cat == NGHTTP2_HCAT_RESPONSE &&
@@ -265,13 +275,15 @@ static int on_frame_recv_callback(nghttp2_session *session _U_,
    is meant to the stream we initiated, print the received data in
    stdout, so that the user can redirect its output to the file
    easily. */
-static int on_data_chunk_recv_callback(nghttp2_session *session _U_,
-                                       uint8_t flags _U_, int32_t stream_id,
-                                       const uint8_t *data, size_t len,
-                                       void *user_data) {
+static int on_data_chunk_recv_callback(nghttp2_session *session, uint8_t flags,
+                                       int32_t stream_id, const uint8_t *data,
+                                       size_t len, void *user_data) {
   http2_session_data *session_data = (http2_session_data *)user_data;
+  (void)session;
+  (void)flags;
+
   if (session_data->stream_data->stream_id == stream_id) {
-    fwrite(data, len, 1, stdout);
+    fwrite(data, 1, len, stdout);
   }
   return 0;
 }
@@ -286,7 +298,7 @@ static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
   int rv;
 
   if (session_data->stream_data->stream_id == stream_id) {
-    fprintf(stderr, "Stream %d closed with error_code=%d\n", stream_id,
+    fprintf(stderr, "Stream %d closed with error_code=%u\n", stream_id,
             error_code);
     rv = nghttp2_session_terminate_session(session, NGHTTP2_NO_ERROR);
     if (rv != 0) {
@@ -296,17 +308,22 @@ static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
   return 0;
 }
 
+#ifndef OPENSSL_NO_NEXTPROTONEG
 /* NPN TLS extension client callback. We check that server advertised
    the HTTP/2 protocol the nghttp2 library supports. If not, exit
    the program. */
-static int select_next_proto_cb(SSL *ssl _U_, unsigned char **out,
+static int select_next_proto_cb(SSL *ssl, unsigned char **out,
                                 unsigned char *outlen, const unsigned char *in,
-                                unsigned int inlen, void *arg _U_) {
+                                unsigned int inlen, void *arg) {
+  (void)ssl;
+  (void)arg;
+
   if (nghttp2_select_next_protocol(out, outlen, in, inlen) <= 0) {
     errx(1, "Server did not advertise " NGHTTP2_PROTO_VERSION_ID);
   }
   return SSL_TLSEXT_ERR_OK;
 }
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
 
 /* Create SSL_CTX. */
 static SSL_CTX *create_ssl_ctx(void) {
@@ -320,7 +337,14 @@ static SSL_CTX *create_ssl_ctx(void) {
                       SSL_OP_ALL | SSL_OP_NO_SSLv2 | SSL_OP_NO_SSLv3 |
                           SSL_OP_NO_COMPRESSION |
                           SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
+#ifndef OPENSSL_NO_NEXTPROTONEG
   SSL_CTX_set_next_proto_select_cb(ssl_ctx, select_next_proto_cb, NULL);
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
+
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+  SSL_CTX_set_alpn_protos(ssl_ctx, (const unsigned char *)"\x02h2", 3);
+#endif /* OPENSSL_VERSION_NUMBER >= 0x10002000L */
+
   return ssl_ctx;
 }
 
@@ -377,13 +401,13 @@ static void send_client_connection_header(http2_session_data *session_data) {
 
 #define MAKE_NV(NAME, VALUE, VALUELEN)                                         \
   {                                                                            \
-    (uint8_t *) NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, VALUELEN,            \
+    (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, VALUELEN,             \
         NGHTTP2_NV_FLAG_NONE                                                   \
   }
 
 #define MAKE_NV2(NAME, VALUE)                                                  \
   {                                                                            \
-    (uint8_t *) NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1,   \
+    (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1,    \
         NGHTTP2_NV_FLAG_NONE                                                   \
   }
 
@@ -440,7 +464,7 @@ static void readcb(struct bufferevent *bev, void *ptr) {
     delete_http2_session_data(session_data);
     return;
   }
-  if (evbuffer_drain(input, readlen) != 0) {
+  if (evbuffer_drain(input, (size_t)readlen) != 0) {
     warnx("Fatal error: evbuffer_drain failed");
     delete_http2_session_data(session_data);
     return;
@@ -455,8 +479,10 @@ static void readcb(struct bufferevent *bev, void *ptr) {
    receiving GOAWAY, we check the some conditions on the nghttp2
    library and output buffer of bufferevent. If it indicates we have
    no business to this session, tear down the connection. */
-static void writecb(struct bufferevent *bev _U_, void *ptr) {
+static void writecb(struct bufferevent *bev, void *ptr) {
   http2_session_data *session_data = (http2_session_data *)ptr;
+  (void)bev;
+
   if (nghttp2_session_want_read(session_data->session) == 0 &&
       nghttp2_session_want_write(session_data->session) == 0 &&
       evbuffer_get_length(bufferevent_get_output(session_data->bev)) == 0) {
@@ -474,7 +500,29 @@ static void eventcb(struct bufferevent *bev, short events, void *ptr) {
   if (events & BEV_EVENT_CONNECTED) {
     int fd = bufferevent_getfd(bev);
     int val = 1;
+    const unsigned char *alpn = NULL;
+    unsigned int alpnlen = 0;
+    SSL *ssl;
+
     fprintf(stderr, "Connected\n");
+
+    ssl = bufferevent_openssl_get_ssl(session_data->bev);
+
+#ifndef OPENSSL_NO_NEXTPROTONEG
+    SSL_get0_next_proto_negotiated(ssl, &alpn, &alpnlen);
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+    if (alpn == NULL) {
+      SSL_get0_alpn_selected(ssl, &alpn, &alpnlen);
+    }
+#endif /* OPENSSL_VERSION_NUMBER >= 0x10002000L */
+
+    if (alpn == NULL || alpnlen != 2 || memcmp("h2", alpn, 2) != 0) {
+      fprintf(stderr, "h2 is not negotiated\n");
+      delete_http2_session_data(session_data);
+      return;
+    }
+
     setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, (char *)&val, sizeof(val));
     initialize_nghttp2_session(session_data);
     send_client_connection_header(session_data);
@@ -506,6 +554,7 @@ static void initiate_connection(struct event_base *evbase, SSL_CTX *ssl_ctx,
   bev = bufferevent_openssl_socket_new(
       evbase, -1, ssl, BUFFEREVENT_SSL_CONNECTING,
       BEV_OPT_DEFER_CALLBACKS | BEV_OPT_CLOSE_ON_FREE);
+  bufferevent_enable(bev, EV_READ | EV_WRITE);
   bufferevent_setcb(bev, readcb, writecb, eventcb, session_data);
   rv = bufferevent_socket_connect_hostname(bev, session_data->dnsbase,
                                            AF_UNSPEC, host, port);
@@ -570,8 +619,6 @@ int main(int argc, char **argv) {
 
   SSL_load_error_strings();
   SSL_library_init();
-  OpenSSL_add_all_algorithms();
-  OPENSSL_config(NULL);
 
   run(argv[1]);
   return 0;

examples/libevent-server.c

@@ -23,42 +23,44 @@
  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 #ifdef __sgi
-#define errx(exitcode, format, args...)                                        \
-  {                                                                            \
-    warnx(format, ##args);                                                     \
-    exit(exitcode);                                                            \
-  }
-#define warn(format, args...) warnx(format ": %s", ##args, strerror(errno))
-#define warnx(format, args...) fprintf(stderr, format "\n", ##args)
+#  define errx(exitcode, format, args...)                                      \
+    {                                                                          \
+      warnx(format, ##args);                                                   \
+      exit(exitcode);                                                          \
+    }
+#  define warn(format, args...) warnx(format ": %s", ##args, strerror(errno))
+#  define warnx(format, args...) fprintf(stderr, format "\n", ##args)
 #endif
 
 #ifdef HAVE_CONFIG_H
-#include <config.h>
+#  include <config.h>
 #endif /* HAVE_CONFIG_H */
 
 #include <sys/types.h>
 #ifdef HAVE_SYS_SOCKET_H
-#include <sys/socket.h>
+#  include <sys/socket.h>
 #endif /* HAVE_SYS_SOCKET_H */
 #ifdef HAVE_NETDB_H
-#include <netdb.h>
+#  include <netdb.h>
 #endif /* HAVE_NETDB_H */
 #include <signal.h>
 #ifdef HAVE_UNISTD_H
-#include <unistd.h>
+#  include <unistd.h>
 #endif /* HAVE_UNISTD_H */
 #include <sys/stat.h>
 #ifdef HAVE_FCNTL_H
-#include <fcntl.h>
+#  include <fcntl.h>
 #endif /* HAVE_FCNTL_H */
 #include <ctype.h>
 #ifdef HAVE_NETINET_IN_H
-#include <netinet/in.h>
+#  include <netinet/in.h>
 #endif /* HAVE_NETINET_IN_H */
 #include <netinet/tcp.h>
 #ifndef __sgi
-#include <err.h>
+#  include <err.h>
 #endif
+#include <string.h>
+#include <errno.h>
 
 #include <openssl/ssl.h>
 #include <openssl/err.h>
@@ -77,7 +79,7 @@
 
 #define MAKE_NV(NAME, VALUE)                                                   \
   {                                                                            \
-    (uint8_t *) NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1,   \
+    (uint8_t *)NAME, (uint8_t *)VALUE, sizeof(NAME) - 1, sizeof(VALUE) - 1,    \
         NGHTTP2_NV_FLAG_NONE                                                   \
   }
 
@@ -107,12 +109,35 @@ struct app_context {
 static unsigned char next_proto_list[256];
 static size_t next_proto_list_len;
 
-static int next_proto_cb(SSL *s _U_, const unsigned char **data,
-                         unsigned int *len, void *arg _U_) {
+#ifndef OPENSSL_NO_NEXTPROTONEG
+static int next_proto_cb(SSL *ssl, const unsigned char **data,
+                         unsigned int *len, void *arg) {
+  (void)ssl;
+  (void)arg;
+
   *data = next_proto_list;
   *len = (unsigned int)next_proto_list_len;
   return SSL_TLSEXT_ERR_OK;
 }
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
+
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+static int alpn_select_proto_cb(SSL *ssl, const unsigned char **out,
+                                unsigned char *outlen, const unsigned char *in,
+                                unsigned int inlen, void *arg) {
+  int rv;
+  (void)ssl;
+  (void)arg;
+
+  rv = nghttp2_select_next_protocol((unsigned char **)out, outlen, in, inlen);
+
+  if (rv != 1) {
+    return SSL_TLSEXT_ERR_NOACK;
+  }
+
+  return SSL_TLSEXT_ERR_OK;
+}
+#endif /* OPENSSL_VERSION_NUMBER >= 0x10002000L */
 
 /* Create SSL_CTX. */
 static SSL_CTX *create_ssl_ctx(const char *key_file, const char *cert_file) {
@@ -149,7 +174,14 @@ static SSL_CTX *create_ssl_ctx(const char *key_file, const char *cert_file) {
          NGHTTP2_PROTO_VERSION_ID_LEN);
   next_proto_list_len = 1 + NGHTTP2_PROTO_VERSION_ID_LEN;
 
+#ifndef OPENSSL_NO_NEXTPROTONEG
   SSL_CTX_set_next_protos_advertised_cb(ssl_ctx, next_proto_cb, NULL);
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
+
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+  SSL_CTX_set_alpn_select_cb(ssl_ctx, alpn_select_proto_cb, NULL);
+#endif /* OPENSSL_VERSION_NUMBER >= 0x10002000L */
+
   return ssl_ctx;
 }
 
@@ -174,8 +206,10 @@ static void add_stream(http2_session_data *session_data,
   }
 }
 
-static void remove_stream(http2_session_data *session_data _U_,
+static void remove_stream(http2_session_data *session_data,
                           http2_stream_data *stream_data) {
+  (void)session_data;
+
   stream_data->prev->next = stream_data->next;
   if (stream_data->next) {
     stream_data->next->prev = stream_data->prev;
@@ -220,7 +254,9 @@ static http2_session_data *create_http2_session_data(app_context *app_ctx,
   session_data->bev = bufferevent_openssl_socket_new(
       app_ctx->evbase, fd, ssl, BUFFEREVENT_SSL_ACCEPTING,
       BEV_OPT_CLOSE_ON_FREE | BEV_OPT_DEFER_CALLBACKS);
-  rv = getnameinfo(addr, addrlen, host, sizeof(host), NULL, 0, NI_NUMERICHOST);
+  bufferevent_enable(session_data->bev, EV_READ | EV_WRITE);
+  rv = getnameinfo(addr, (socklen_t)addrlen, host, sizeof(host), NULL, 0,
+                   NI_NUMERICHOST);
   if (rv != 0) {
     session_data->client_addr = strdup("(unknown)");
   } else {
@@ -275,7 +311,7 @@ static int session_recv(http2_session_data *session_data) {
     warnx("Fatal error: %s", nghttp2_strerror((int)readlen));
     return -1;
   }
-  if (evbuffer_drain(input, readlen) != 0) {
+  if (evbuffer_drain(input, (size_t)readlen) != 0) {
     warnx("Fatal error: evbuffer_drain failed");
     return -1;
   }
@@ -285,17 +321,20 @@ static int session_recv(http2_session_data *session_data) {
   return 0;
 }
 
-static ssize_t send_callback(nghttp2_session *session _U_, const uint8_t *data,
-                             size_t length, int flags _U_, void *user_data) {
+static ssize_t send_callback(nghttp2_session *session, const uint8_t *data,
+                             size_t length, int flags, void *user_data) {
   http2_session_data *session_data = (http2_session_data *)user_data;
   struct bufferevent *bev = session_data->bev;
+  (void)session;
+  (void)flags;
+
   /* Avoid excessive buffering in server side. */
   if (evbuffer_get_length(bufferevent_get_output(session_data->bev)) >=
       OUTPUT_WOULDBLOCK_THRESHOLD) {
     return NGHTTP2_ERR_WOULDBLOCK;
   }
   bufferevent_write(bev, data, length);
-  return length;
+  return (ssize_t)length;
 }
 
 /* Returns nonzero if the string |s| ends with the substring |sub| */
@@ -311,13 +350,13 @@ static int ends_with(const char *s, const char *sub) {
 /* Returns int value of hex string character |c| */
 static uint8_t hex_to_uint(uint8_t c) {
   if ('0' <= c && c <= '9') {
-    return c - '0';
+    return (uint8_t)(c - '0');
   }
   if ('A' <= c && c <= 'F') {
-    return c - 'A' + 10;
+    return (uint8_t)(c - 'A' + 10);
   }
   if ('a' <= c && c <= 'f') {
-    return c - 'a' + 10;
+    return (uint8_t)(c - 'a' + 10);
   }
   return 0;
 }
@@ -335,10 +374,11 @@ static char *percent_decode(const uint8_t *value, size_t valuelen) {
     for (i = 0, j = 0; i < valuelen - 2;) {
       if (value[i] != '%' || !isxdigit(value[i + 1]) ||
           !isxdigit(value[i + 2])) {
-        res[j++] = value[i++];
+        res[j++] = (char)value[i++];
         continue;
       }
-      res[j++] = (hex_to_uint(value[i + 1]) << 4) + hex_to_uint(value[i + 2]);
+      res[j++] =
+          (char)((hex_to_uint(value[i + 1]) << 4) + hex_to_uint(value[i + 2]));
       i += 3;
     }
     memcpy(&res[j], &value[i], 2);
@@ -350,13 +390,17 @@ static char *percent_decode(const uint8_t *value, size_t valuelen) {
   return res;
 }
 
-static ssize_t file_read_callback(nghttp2_session *session _U_,
-                                  int32_t stream_id _U_, uint8_t *buf,
-                                  size_t length, uint32_t *data_flags,
+static ssize_t file_read_callback(nghttp2_session *session, int32_t stream_id,
+                                  uint8_t *buf, size_t length,
+                                  uint32_t *data_flags,
                                   nghttp2_data_source *source,
-                                  void *user_data _U_) {
+                                  void *user_data) {
   int fd = source->fd;
   ssize_t r;
+  (void)session;
+  (void)stream_id;
+  (void)user_data;
+
   while ((r = read(fd, buf, length)) == -1 && errno == EINTR)
     ;
   if (r == -1) {
@@ -383,8 +427,8 @@ static int send_response(nghttp2_session *session, int32_t stream_id,
   return 0;
 }
 
-const char ERROR_HTML[] = "<html><head><title>404</title></head>"
-                          "<body><h1>404 Not Found</h1></body></html>";
+static const char ERROR_HTML[] = "<html><head><title>404</title></head>"
+                                 "<body><h1>404 Not Found</h1></body></html>";
 
 static int error_reply(nghttp2_session *session,
                        http2_stream_data *stream_data) {
@@ -429,10 +473,12 @@ static int error_reply(nghttp2_session *session,
 static int on_header_callback(nghttp2_session *session,
                               const nghttp2_frame *frame, const uint8_t *name,
                               size_t namelen, const uint8_t *value,
-                              size_t valuelen, uint8_t flags _U_,
-                              void *user_data _U_) {
+                              size_t valuelen, uint8_t flags, void *user_data) {
   http2_stream_data *stream_data;
   const char PATH[] = ":path";
+  (void)flags;
+  (void)user_data;
+
   switch (frame->hd.type) {
   case NGHTTP2_HEADERS:
     if (frame->headers.cat != NGHTTP2_HCAT_REQUEST) {
@@ -545,9 +591,10 @@ static int on_frame_recv_callback(nghttp2_session *session,
 }
 
 static int on_stream_close_callback(nghttp2_session *session, int32_t stream_id,
-                                    uint32_t error_code _U_, void *user_data) {
+                                    uint32_t error_code, void *user_data) {
   http2_session_data *session_data = (http2_session_data *)user_data;
   http2_stream_data *stream_data;
+  (void)error_code;
 
   stream_data = nghttp2_session_get_stream_user_data(session, stream_id);
   if (!stream_data) {
@@ -600,8 +647,10 @@ static int send_server_connection_header(http2_session_data *session_data) {
 
 /* readcb for bufferevent after client connection header was
    checked. */
-static void readcb(struct bufferevent *bev _U_, void *ptr) {
+static void readcb(struct bufferevent *bev, void *ptr) {
   http2_session_data *session_data = (http2_session_data *)ptr;
+  (void)bev;
+
   if (session_recv(session_data) != 0) {
     delete_http2_session_data(session_data);
     return;
@@ -633,14 +682,37 @@ static void writecb(struct bufferevent *bev, void *ptr) {
 }
 
 /* eventcb for bufferevent */
-static void eventcb(struct bufferevent *bev _U_, short events, void *ptr) {
+static void eventcb(struct bufferevent *bev, short events, void *ptr) {
   http2_session_data *session_data = (http2_session_data *)ptr;
   if (events & BEV_EVENT_CONNECTED) {
+    const unsigned char *alpn = NULL;
+    unsigned int alpnlen = 0;
+    SSL *ssl;
+    (void)bev;
+
     fprintf(stderr, "%s connected\n", session_data->client_addr);
 
+    ssl = bufferevent_openssl_get_ssl(session_data->bev);
+
+#ifndef OPENSSL_NO_NEXTPROTONEG
+    SSL_get0_next_proto_negotiated(ssl, &alpn, &alpnlen);
+#endif /* !OPENSSL_NO_NEXTPROTONEG */
+#if OPENSSL_VERSION_NUMBER >= 0x10002000L
+    if (alpn == NULL) {
+      SSL_get0_alpn_selected(ssl, &alpn, &alpnlen);
+    }
+#endif /* OPENSSL_VERSION_NUMBER >= 0x10002000L */
+
+    if (alpn == NULL || alpnlen != 2 || memcmp("h2", alpn, 2) != 0) {
+      fprintf(stderr, "%s h2 is not negotiated\n", session_data->client_addr);
+      delete_http2_session_data(session_data);
+      return;
+    }
+
     initialize_nghttp2_session(session_data);
 
-    if (send_server_connection_header(session_data) != 0) {
+    if (send_server_connection_header(session_data) != 0 ||
+        session_send(session_data) != 0) {
       delete_http2_session_data(session_data);
       return;
     }
@@ -658,10 +730,11 @@ static void eventcb(struct bufferevent *bev _U_, short events, void *ptr) {
 }
 
 /* callback for evconnlistener */
-static void acceptcb(struct evconnlistener *listener _U_, int fd,
+static void acceptcb(struct evconnlistener *listener, int fd,
                      struct sockaddr *addr, int addrlen, void *arg) {
   app_context *app_ctx = (app_context *)arg;
   http2_session_data *session_data;
+  (void)listener;
 
   session_data = create_http2_session_data(app_ctx, fd, addr, addrlen);
 
@@ -690,7 +763,7 @@ static void start_listen(struct event_base *evbase, const char *service,
     struct evconnlistener *listener;
     listener = evconnlistener_new_bind(
         evbase, acceptcb, app_ctx, LEV_OPT_CLOSE_ON_FREE | LEV_OPT_REUSEABLE,
-        16, rp->ai_addr, rp->ai_addrlen);
+        16, rp->ai_addr, (int)rp->ai_addrlen);
     if (listener) {
       freeaddrinfo(res);
 
@@ -738,8 +811,6 @@ int main(int argc, char **argv) {
 
   SSL_load_error_strings();
   SSL_library_init();
-  OpenSSL_add_all_algorithms();
-  OPENSSL_config(NULL);
 
   run(argv[1], argv[2], argv[3]);
   return 0;

fuzz/README.rst

@@ -0,0 +1,33 @@
+Fuzzer
+======
+
+This directory contains fuzzer target mainly written to integrate
+nghttp2 into `oss-fuzz <https://github.com/google/oss-fuzz>`_.
+
+fuzz_target.cc contains an entry point of fuzzer.  corpus directory
+contains initial data for fuzzer.
+
+The file name of initial data under corpus is the lower-cased hex
+string of SHA-256 hash of its own content.
+
+corpus/h2spec contains input data which was recorded when we ran
+`h2spec <https://github.com/summerwind/h2spec>`_ against nghttpd.
+
+corpus/nghttp contains input data which was recorded when we ran
+nghttp against nghttpd with some varying command line options of
+nghttp.
+
+
+To build fuzz_target.cc, make sure that libnghttp2 is built with
+following compiler/linker flags:
+
+.. code-block:: text
+
+    CPPFLAGS="-fsanitize-coverage=edge -fsanitize=address"
+    LDFLAGS="-fsanitize-coverage=edge -fsanitize=address"
+
+Then, fuzz_target.cc can be built using the following command:
+
+.. code-block:: text
+
+    $ clang++ -fsanitize-coverage=edge -fsanitize=address -I../lib/includes -std=c++11 fuzz_target.cc ../lib/.libs/libnghttp2.a  /usr/lib/llvm-3.9/lib/libFuzzer.a -o nghttp2_fuzzer